Lincoln Electric Invertec V350-Pipe Manuel utilisateur
- Catégorie
- Système de soudage
- Taper
- Manuel utilisateur
Ce manuel convient également à
INVERTEC V350-PIPE
OPERATOR’S MANUAL
For use with machines Code 10936, 11485
IM757
November, 2007
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
™
WARNING
WARNING
AVI SO DE
PRECAUCION
ATT ENTION
!
!
!
!
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• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
R
NRTL/C
Copyright © 2007 Lincoln Global Inc.
FOR ENGINE
powered equipment.
1.a. Turn the engine off before troubleshooting and maintenance
work unless the maintenance work requires it to be running.
____________________________________________________
1.b. Operate engines in open, well-ventilated
areas or
vent the engine exhaust fumes
outdoors.
____________________________________________________
1.c. Do not add the fuel near
an open flame
welding arc or when the engine is running.
Stop the engine and allow it to cool before
refueling to prevent spilled fuel from vaporiz-
ing on contact with hot engine parts and
igniting. Do not spill fuel when filling tank. If
fuel is spilled, wipe it up and do not start
engine until fumes have been eliminated.
____________________________________________________
1.d. Keep all equipment safety guards, covers and devices in
position
and in good repair.Keep hands, hair, clothing and
tools away from V-belts, gears, fans and all other moving
parts when starting, operating or repairing equipment.
____________________________________________________
1.e. In some cases it may be necessary to remove s
afety
guards to perform required maintenance. Remove
guards only when necessary and replace them when the
maintenance requiring their removal is complete.
Always use the greatest care when working near moving
parts.
___________________________________________________
1.f. Do not put your hands near the engine fan.
Do not
attempt to override the governor or
idler by pushing on the throttle control rods
while the engine is running.
___________________________________________________
1.g. To prevent accidentally starting gasoline engines while
turning the
engine or welding generator during maintenance
work, disconnect the spark plug wires, distributor cap or
magneto wire as appropriate.
i
SAFETY
i
ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH.
KEEP CHILDREN AWAY. PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING.
Read and understand the following safety highlights. For additional safety information, it is strongly recommended that you
purchase a copy of “Safety in Welding & Cutting - ANSI Standard Z49.1” from the American Welding Society, P.O. Box
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available
from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.
BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE
PERFORMED ONLY BY QUALIFIED INDIVIDUALS.
WARNING
Mar ‘95
ELECTRIC AND
MAGNETIC FIELDS
may be dangerous
2.a. Electric current flowing through any conductor causes
localized Electric and Magnetic Fields (EMF). Welding
current creates EMF fields around welding cables and
welding machines
2.b. EMF fields may interfere with some pacemakers, and
welders having a pacemaker should consult their physician
before welding.
2.c. Exposure to EMF fields in welding may have other health
effects which are now not known.
2.d. All welders should use the following procedures in order to
minimize exposure to EMF fields from the welding circuit:
2.d.1.
Route the electrode and work cables together - Secure
them with tape when possible.
2.d.2. Never coil the electrode lead around your body.
2.d.3. Do not place your body between the electrode and
work cables. If the electrode cable is on your right
side, the work cable should also be on your right side.
2.d.4. Connect the work cable to the workpiece as close as
possible to the area being welded.
2.d.5. Do not work next to welding power source.
1.h. To avoid scalding, do not remove the
radiator pressure cap when the engine is
hot.
CALIFORNIA PROPOSITION 65 WARNINGS
Diesel engine exhaust and some of its constituents
are known to the State of California to cause can-
cer, birth defects, and other reproductive harm.
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
The Above For Diesel Engines
The Above For Gasoline Engines
ii
SAFETY
ii
ARC RAYS can burn.
4.a. Use a shield with the proper filter and cover
plates to protect your eyes from sparks and
the rays of the arc when welding or observing
open arc welding. Headshield and filter lens
should conform to ANSI Z87. I standards.
4.b. Use suitable clothing made from durable flame-resistant
material to protect your skin and that of your helpers from
the arc rays.
4.c. Protect other nearby personnel with suitable, non-flammable
screening and/or warn them not to watch the arc nor expose
themselves to the arc rays or to hot spatter or metal.
ELECTRIC SHOCK can
kill.
3.a. The electrode and work (or ground) circuits
are electrically “hot” when the welder is on.
Do not touch these “hot” parts with your bare
skin or wet clothing. Wear dry, hole-free
gloves to insulate hands.
3.b. Insulate yourself from work and ground using dry insulation.
Make certain the insulation is large enough to cover your full
area of physical contact with work and ground.
In addition to the normal safety precautions, if welding
must be performed under electrically hazardous
conditions (in damp locations or while wearing wet
clothing; on metal structures such as floors, gratings or
scaffolds; when in cramped positions such as sitting,
kneeling or lying, if there is a high risk of unavoidable or
accidental contact with the workpiece or ground) use
the following equipment:
• Semiautomatic DC Constant Voltage (Wire) Welder.
• DC Manual (Stick) Welder.
• AC Welder with Reduced Voltage Control.
3.c. In semiautomatic or automatic wire welding, the electrode,
electrode reel, welding head, nozzle or semiautomatic
welding gun are also electrically “hot”.
3.d. Always be sure the work cable makes a good electrical
connection with the metal being welded. The connection
should be as close as possible to the area being welded.
3.e. Ground the work or metal to be welded to a good electrical
(earth) ground.
3.f.
Maintain the electrode holder, work clamp, welding cable and
welding machine in good, safe operating condition. Replace
damaged insulation.
3.g. Never dip the electrode in water for cooling.
3.h. Never simultaneously touch electrically “hot” parts of
electrode holders connected to two welders because voltage
between the two can be the total of the open circuit voltage
of both welders.
3.i. When working above floor level, use a safety belt to protect
yourself from a fall should you get a shock.
3.j. Also see Items 6.c. and 8.
FUMES AND GASES
can be dangerous.
5.a. Welding may produce fumes and gases
hazardous to health. Avoid breathing these
fumes and gases.When welding, keep
your head out of the fume. Use enough
ventilation and/or exhaust at the arc to keep
fumes and gases away from the breathing zone. When
welding with electrodes which require special
ventilation such as stainless or hard facing (see
instructions on container or MSDS) or on lead or
cadmium plated steel and other metals or coatings
which produce highly toxic fumes, keep exposure as
low as possible and below Threshold Limit Values (TLV)
using local exhaust or mechanical ventilation. In
confined spaces or in some circumstances, outdoors, a
respirator may be required. Additional precautions are
also required when welding on galvanized steel.
5. b. The operation of welding fume control equipment is affected
by various factors including proper use and positioning of
the equipment, maintenance of the equipment and the spe-
cific welding procedure and application involved. Worker
exposure level should be checked upon installation and
periodically thereafter to be certain it is within applicable
OSHA PEL and ACGIH TLV limits.
5.c.
Do not weld in locations near chlorinated hydrocarbon
vapors
coming from degreasing, cleaning or spraying operations.
The heat and rays of the arc can react with solvent vapors
to
form phosgene, a highly toxic gas, and other irritating prod-
ucts.
5.d. Shielding gases used for arc welding can displace air and
cause injury or death. Always use enough ventilation,
especially in confined areas, to insure breathing air is safe.
5.e. Read and understand the manufacturer’s instructions for this
equipment and the consumables to be used, including the
material safety data sheet (MSDS) and follow your
employer’s safety practices. MSDS forms are available from
your welding distributor or from the manufacturer.
5.f. Also see item 1.b.
AUG 06
iii
SAFETY
iii
FOR ELECTRICALLY
powered equipment.
8.a. Turn off input power using the disconnect
switch at the fuse box before working on
the equipment.
8.b. Install equipment in accordance with the U.S. National
Electrical Code, all local codes and the manufacturer’s
recommendations.
8.c. Ground the equipment in accordance with the U.S. National
Electrical Code and the manufacturer’s recommendations.
CYLINDER may explode
if damaged.
7.a. Use only compressed gas cylinders
containing the correct shielding gas for the
process used and properly operating
regulators designed for the gas and
pressure used. All hoses, fittings, etc. should be suitable for
the application and maintained in good condition.
7.b. Always keep cylinders in an upright position securely
chained to an undercarriage or fixed support.
7.c. Cylinders should be located:
• Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from arc welding or cutting operations and
any other source of heat, sparks, or flame.
7.d. Never allow the electrode, electrode holder or any other
electrically “hot” parts to touch a cylinder.
7.e. Keep your head and face away from the cylinder valve outlet
when opening the cylinder valve.
7.f. Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for
use.
7.g. Read and follow the instructions on compressed gas
cylinders, associated equipment, and CGA publication P-l,
“Precautions for Safe Handling of Compressed Gases in
Cylinders,” available from the Compressed Gas Association
1235 Jefferson Davis Highway, Arlington, VA 22202.
Jan, 07
WELDING and CUTTING
SPARKS can
cause fire or explosion.
6.a.
Remove fire hazards from the welding area.
If this is not possible, cover them to prevent
the welding sparks from starting a fire.
Remember that welding sparks and hot
materials from welding can easily go through small cracks
and openings to adjacent areas. Avoid welding near
hydraulic lines. Have a fire extinguisher readily available.
6.b. Where compressed gases are to be used at the job site,
special precautions should be used to prevent hazardous
situations. Refer to “Safety in Welding and Cutting” (ANSI
Standard Z49.1) and the operating information for the
equipment being used.
6.c. When not welding, make certain no part of the electrode
circuit is touching the work or ground. Accidental contact
can cause overheating and create a fire hazard.
6.d. Do not heat, cut or weld tanks, drums or containers until the
proper steps have been taken to insure that such procedures
will not cause flammable or toxic vapors from substances
inside. They can cause an explosion even
though
they have
been “cleaned”. For information, purchase “Recommended
Safe Practices for the
Preparation
for Welding and Cutting of
Containers and Piping That Have Held Hazardous
Substances”, AWS F4.1 from the American Welding Society
(see address above).
6.e. Vent hollow castings or containers before heating, cutting or
welding. They may explode.
6.f.
Sparks and spatter are thrown from the welding arc. Wear oil
free protective garments such as leather gloves, heavy shirt,
cuffless trousers, high shoes and a cap over your hair. Wear
ear plugs when welding out of position or in confined places.
Always wear safety glasses with side shields when in a
welding area.
6.g. Connect the work cable to the work as close to the welding
area as practical. Work cables connected to the building
framework or other locations away from the welding area
increase the possibility of the welding current passing
through lifting chains, crane cables or other alternate cir-
cuits. This can create fire hazards or overheat lifting chains
or cables until they fail.
6.h. Also see item 1.c.
6.I. Read and folllow NFPA 51B “ Standard for Fire Prevention
During Welding, Cutting and Other Hot Work”, available
from NFPA, 1 Batterymarch Park,PO box 9101, Quincy, Ma
022690-9101.
6.j. Do not use a welding power source for pipe thawing.
iv
SAFETY
iv
PRÉCAUTIONS DE SÛRETÉ
Pour votre propre protection lire et observer toutes les instructions
et les précautions de sûreté specifiques qui parraissent dans ce
manuel aussi bien que les précautions de sûreté générales suiv-
antes:
Sûreté Pour Soudage A L’Arc
1. Protegez-vous contre la secousse électrique:
a. Les circuits à l’électrode et à la piéce sont sous tension
quand la machine à souder est en marche. Eviter toujours
tout contact entre les parties sous tension et la peau nue
ou les vétements mouillés. Porter des gants secs et sans
trous pour isoler les mains.
b. Faire trés attention de bien s’isoler de la masse quand on
soude dans des endroits humides, ou sur un plancher
metallique ou des grilles metalliques, principalement dans
les positions assis ou couché pour lesquelles une grande
partie du corps peut être en contact avec la masse.
c. Maintenir le porte-électrode, la pince de masse, le câble
de soudage et la machine à souder en bon et sûr état
defonctionnement.
d.Ne jamais plonger le porte-électrode dans l’eau pour le
refroidir.
e. Ne jamais toucher simultanément les parties sous tension
des porte-électrodes connectés à deux machines à souder
parce que la tension entre les deux pinces peut être le
totaldelatensionàvidedesdeuxmachines.
f. Si on utilise la machine à souder comme une source de
courant pour soudage semi-automatique, ces precautions
pour le porte-électrode s’applicuent aussi au pistolet de
soudage.
2. Dans le cas de travail au dessus du niveau du sol, se protéger
contre les chutes dans le cas ou on recoit un choc. Ne jamais
enrouler le câble-électrode autour de n’importe quelle partie
du corps.
3. Un coup d’arc peut être plus sévère qu’un coup de soliel,
donc:
a. Utiliser un bon masque avec un verre filtrant approprié
ainsi qu’un verre blanc afin de se protéger les yeux du ray-
onnement de l’arc et des projections quand on soude ou
quandonregardel’arc.
b. Porter des vêtements convenables afin de protéger la
peau de soudeur et des aides contre le rayonnement de
l‘arc.
c. Protéger l’autre personnel travaillant à proximité au
soudage à l’aide d’écrans appropriés et non-inflammables.
4. Des gouttes de laitier en fusion sont émises de l’arc de
soudage. Se protéger avec des vêtements de protection libres
de l’huile, tels que les gants en cuir, chemise épaisse, pan-
talons sans revers, et chaussures montantes.
5. Toujours porter des lunettes de sécurité dans la zone de
soudage. Utiliser des lunettes avec écrans lateraux dans les
zones où l’on pique le laitier.
6. Eloigner les matériaux inflammables ou les recouvrir afin de
prévenir tout risque d’incendie dû aux étincelles.
7. Quand on ne soude pas, poser la pince à une endroit isolé de
la masse. Un court-circuit accidental peut provoquer un
échauffement et un risque d’incendie.
8. S’assurer que la masse est connectée le plus prés possible
de la zone de travail qu’il est pratique de le faire. Si on place
la masse sur la charpente de la construction ou d’autres
endroits éloignés de la zone de travail, on augmente le risque
de voir passer le courant de soudage par les chaines de lev-
age, câbles de grue, ou autres circuits. Cela peut provoquer
des risques d’incendie ou d’echauffement des chaines et des
câbles jusqu’à ce qu’ils se rompent.
9. Assurer une ventilation suffisante dans la zone de soudage.
Ceci est particuliérement important pour le soudage de tôles
galvanisées plombées, ou cadmiées ou tout autre métal qui
produit des fumeés toxiques.
10. Ne pas souder en présence de vapeurs de chlore provenant
d’opérations de dégraissage, nettoyage ou pistolage. La
chaleur ou les rayons de l’arc peuvent réagir avec les vapeurs
du solvant pour produire du phosgéne (gas fortement toxique)
ou autres produits irritants.
11. Pour obtenir de plus amples renseignements sur la sûreté,
voir le code “Code for safety in welding and cutting” CSA
Standard W 117.2-1974.
PRÉCAUTIONS DE SÛRETÉ POUR
LES MACHINES À SOUDER À
TRANSFORMATEUR ET À
REDRESSEUR
1. Relier à la terre le chassis du poste conformement au code de
l’électricité et aux recommendations du fabricant. Le dispositif
de montage ou la piece à souder doit être branché à une
bonne mise à la terre.
2. Autant que possible, I’installation et l’entretien du poste seront
effectués par un électricien qualifié.
3. Avant de faires des travaux à l’interieur de poste, la debranch-
er à l’interrupteur à la boite de fusibles.
4. Garder tous les couvercles et dispositifs de sûreté à leur
place.
Mar. ‘93
vv
Thank You
for selecting a QUALITY product by Lincoln Electric. We want you
to take pride in operating this Lincoln Electric Company product
••• as much pride as we have in bringing this product to you!
Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it
handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection.
The level of seriousness to be applied to each is explained below:
WARNING
This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life.
This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment.
CAUTION
Please Examine Carton and Equipment For Damage Immediately
When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims
for material damaged in shipment must be made by the purchaser against the transportation company at the
time the shipment is received.
Please record your equipment identification information below for future reference. This information can be
found on your machine nameplate.
Product _________________________________________________________________________________
Model Number ___________________________________________________________________________
Code Number or Date Code_________________________________________________________________
Serial Number____________________________________________________________________________
Date Purchased___________________________________________________________________________
Where Purchased_________________________________________________________________________
Whenever you request replacement parts or information on this equipment, always supply the information you
have recorded above. The code number is especially important when identifying the correct replacement parts.
On-Line Product Registration
- Register your machine with Lincoln Electric either via fax or over the Internet.
• For faxing: Complete the form on the back of the warranty statement included in the literature packet
accompanying this machine and fax the form per the instructions printed on it.
• For On-Line Registration: Go to our
WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then
“Product Registration”. Please complete the form and submit your registration.
CUSTOMER ASSISTANCE POLICY
The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equip-
ment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask Lincoln
Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses-
sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor-
mation or advice. We expressly disclaim any warranty of any kind, including any warranty of fitness for any customer’s particular purpose,
with respect to such information or advice. As a matter of practical consideration, we also cannot assume any responsibility for updating or
correcting any such information or advice once it has been given, nor does the provision of information or advice create, expand or alter any
warranty with respect to the sale of our products.
Lincoln Electric is a responsive manufacturer, but the selection and use of specific products sold by Lincoln Electric is solely within the control
of, and remains the sole responsibility of the customer. Many variables beyond the control of Lincoln Electric affect the results obtained in
applying these types of fabrication methods and service requirements.
Subject to Change – This information is accurate to the best of our knowledge at the time of printing. Please refer to www.lincolnelectric.com
for any updated information.
vi
vi
TABLE OF CONTENTS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Safety Precautions ..........................................................................................A-2
Select Suitable Location..................................................................................A-2
Stacking ..........................................................................................................A-2
Tilting...............................................................................................................A-2
Input and Grounding Connections ..................................................................A-2
Power Cord Connection ..................................................................................A-2
Connection of Wire Feeders to V350-PIPE ............................ .............. A-2,A-3
Remote Control of Invertec .............................................................................A-3
Undercarriage Mountings................................................................................A-3
Parallel Operations..........................................................................................A-3
________________________________________________________________________
Operation .........................................................................................................Section B
Safety Precautions ................................................................................................B-1
General Description ..............................................................................................B-1
Duty Cycle .............................................................................................................B-1
Operational Features and Controls........................................................................B-1
Upper Control Panel.......................................................................................B-1, B-2
Hidden Middle Control Panel ...................................................................B-2 thru B-3
Lower Case Panel .................................................................................................B-3
Remote Control of the Output Control and Weld Terminals ..................................B-3
Auxiliary Power......................................................................................................B-4
Limitations..............................................................................................................B-4
Recommended Processes ....................................................................................B-4
_______________________________________________________________________
Accessories.....................................................................................................Section C
Options / Accessories............................................................................................C-1
Factory and Advance Process Version ..............................................................................
C-1
Quick Disconnect Plugs.........................................................................................C-1
________________________________________________________________________
Maintenance ....................................................................................................Section D
Safety Precautions ................................................................................................D-1
C
APACITOR DISCHARGE PROCEDURE..........................................................................D-1
V
ISUAL INSPECTION...................................................................................................D-1
R
OUTINE MAINTENANCE ............................................................................................D-1
P
ERIODIC MAINTENANCE ...........................................................................................D-1
________________________________________________________________________
Section E ..............................................................................................Troubleshooting
Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide ...........................................................................E-2 Thru E-3
Fault Codes ...........................................................................................................E-4
Displays .................................................................................................................E-5
________________________________________________________________________
Connection , Wiring Diagrams and Dimension Prints .................................Section F
________________________________________________________________________
Parts List ......................................................................................................P401 Series
________________________________________________________________________
V350-PIPE
A-1
INSTALLATION
A-1
TECHNICAL SPECIFICATIONS -
INVERTEC V350-PIPE
INPUT AC VOLTAGE & DC OUTPUT
Ordering Input AC Rated DC Output Output
Information Voltage Amps/Volts/Duty Cycle Range
(continuous)
200
208-230/
K1728-10 380-400/ 350A / 34V / 60%
415-460/ AMPS
575 300A / 32V /100% 5-425
1& 3 Phase
60/50 Hz
* Overall Length Including Handle, 27.8” (706mm)
Voltage
200
208
230
380
400
415
460
575
200
208
230
380
400
415
460
575
Phases
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
300Amps @
32Volts(100%)
Not
Recommended
76
69
Not
Recommended
Not
Recommended
41
36
31
41
39
36
23
22
22
19
16
350Amps @
34Volts(60%)
Not
Recommended
94
85
Not
Recommended
Not
Recommended
64
42
37
50
50
42
28
27
26
23
18
Line Cord
AWG
2
4
---
6
8
8
8
6
8
8
8
8
8
8
Fuse size
---
125A
125A
---
---
80A
70A
50A
80A
80A
70A
50A
50A
50A
50A
35A
V350-PIPE INPUT CURRENT
OUTPUT CABLES, CONNECTIONS AND LIMITATIONS
Recommended Fuse Sizes Base On The U.S. National Electrical Code And Maximum Machine Outputs
Input 50/60 Hz Output Recommended
Note 1. Not rated is indicated by 4-x’s in the box on the rating plate.
Note 2. When operating on these inputs, the line cord should be changed to an input conductor of 6 AWG or larger.
Select The output cable size based upon the following chart.
Cable sizes for Combined Length of Electrode and Work Cable (Copper) 75C rated:
DUTY CYCLE
100%
60%
CURRENT
300
350
LENGTH UP TO 200FT.(61m)
1/0
1/0
200-250 FT. (61-76m)
1/0
2/0
Notes
Note 1
Note 2
Note 2
Note 1
Note 1
Note 2
Note 2
Note 2
PHYSICAL DIMENSIONS
HEIGHT
14.8 in(373 mm)
WIDTH
13.3 in(338 mm)
DEPTH*
27.8 in(706 mm)
WEIGHT
81.5 lbs.(37.0 kg.)
TEMPERATURE RANGES
STORAGE TEMPERATURE RANGE
-40°F to 104°F(-40°C to 40°C)
OPERATING TEMPERATURE RANGE
-4°F to 104°F(-20°C to 40°C)
Product
Name
Invertec
V350-
PIPE
6
6
0
0
/
/
5
5
0
0
H
H
z
z
Open
Circuit
Voltage
80VDC
A-2
INSTALLATION
A-2
SELECT SUITABLE LOCATION
The Invertec V350-PIPE will operate in harsh environ-
ments. Even so, it is important that simple preventative
measures are followed in order to assure long life and
reliable operation.
• The machine must be located where there is free cir-
culation of clean air such that air movement in the
back, out the sides and bottom will not be restricted.
• Dirt and dust that can be drawn into the machine
should be kept to a minimum. Failure to observe
these precautions can result in excessive operating
temperatures and nuisance shutdown.
• Keep machine dry. Shelter from rain and snow. Do
not place on wet ground or in puddles.
•
DO NOT MOUNT OVER COMBUSTIBLE SURFACES.
Where there is a combustible surface directly under
stationary or fixed electrical equipment, that surface
shall be covered with a steel plate at least .06”(1.6mm)
thick, which shall extend not less than 5.90”(150mm)
beyond the equipment on all sides.
STACKING
V350-PIPE cannot
be stacked.
TILTING
Place the machine directly on a secure, level surface or
on a recommended undercarriage. The machine may
topple over if this procedure is not followed.
INPUT AND GROUNDING CONNECTIONS
• Only a qualified electrician should connect the
Invertec V350-PIPE. Installation should be made in
accordance with the appropriate National Electrical
Code, all local codes and the information detailed
below.
• When received directly from the factory, multiple volt-
age machines are internally connected for 460VAC.
If 460VAC is the desired input, then the machine may
be connected to the power system without any setup
required inside the machine.
• Initial 200VAC - 415VAC and 575VAC operation will
require an Input voltage panel setup.
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
• TURN THE INPUT POWER OFF AT
THE DISCONNECT SWITCH BEFORE
ATTEMPTING TO CONNECT OR DIS-
CONNECT INPUT POWER LINES, OUTPUT
CABLES, OR CONTROL CABLES.
• Only qualified personnel should perform this
installation.
• Connect the green/yellow lead of the power
cord to ground per U.S.National Electrical Code.
----------------------------------------------------------------------
WARNING
• Open the access panel on the rear of the
machine.
• For 200 or 230: Position the large switch to 200-
230.
For higher voltages: Position the large switch to
380-575.
• Move the "A" lead to the appropriate terminal.
POWER CORD CONNECTION
A 10 ft. power cord is provided and wired into the
machine. Follow the power cord connection instruc-
tions.
• Incorrect connection may result in equipment
damage.
-----------------------------------------------------------------------
Single Phase Input
Connect green lead to ground per National Electrical
Code.
Connect black and white or brown leads to power.
Wrap red lead with tape to provide 600V insulation.
Three Phase Input
Connect green lead to ground per National Electric
Code.
Connect black, red and white leads to power.
CONNECTIONS OF WIRE FEEDERS TO V350-PIPE
LN-25 Connection Instructions
• Turn the Invertec power switch "off".
• Connect the electrode cable to the output terminal of
polarity required by electrode. Connect the work lead to
the other terminal.
• LN-25 with Remote Control options can be used with the
Factory Advanced Process version of the V350. The 6-
Pin (K444-1) and 14-pin (K444-2) remotes can be con-
nected directly to the 6-pin & 14-pin MS-style connectors.
The 42 Volt Remote Voltage and Output Control (K624-1)
Kit can be connected to the V350’s 14-pin MS-style con-
nector using Remote Control Cable assembly K627- [ ].
LN-25s with a K431-1 remote kit can be connected to the
V350’s 14-pin MS-style connector using a K432 cable
and K876 adapter. (See connection diagram S19899). Or
the K432 cable could be modified with a K867 Universal
Adapter Plug (See connection diagram S19405) to con-
nect it to the V350’s 14-pin MS-style connector.
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GREEN
RED
BLACK
WHITE or BROWN
V350-PIPE
CAUTION
CAUTION
A-3
INSTALLATION
A-3
LN-10 Connection Instructions
• Turn the Invertec power switch "off"
• Connect the K1505 control cable from the LN-10 to the
14-pin MS-style connector.
• Connect the electrode cable to the output terminal of
polarity required by the electrode. Connect the work
lead to the other terminal.
• Set the meter polarity switch on the front of the Invertec
to coincide with wire feeder polarity used.
• See the LN-10 manual for details on accessing Control
DIP Switch
LN-742 Connection Instructions
• Turn the Invertec power switch "off"
• Either a K591 or a K593 Input cable assembly is
required to connect the LN-742 to the Invertec.
• Connect the control cable from the LN-742 to the
14-pin MS-style connector.
• Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
• Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
The wire feeder will now display the welding volt-
age.
• If a remote control such as K857 is to be used with the
LN-742, the remote can be connected directly to the 6-
pin MS-style connector on the front of the Invertec or use
a K864 adapter to connect the LN-742 and the remote to
the 14-pin MS-style connector.
Cobramatic Connection Instructions
• Turn the Invertec power switch "off"
• Connect the control cable from the Cobramatic to
the 14-pin MS-style connector.
• Connect the electrode cable to the output terminal
of the polarity required by electrode. Connect the
work lead to the other terminal.
• Set the meter polarity switch on the front of the
Invertec to coincide with wire feeder polarity used.
• If a remote control such as K857 is to be used with
the Cobramatic, the remote can be connected
directly to the 6-pin MS-style connector on the front
of the Invertec or use a K864 adapter to connect
the cobramatic and the remote to the 14-pin MS-
style connector.
LN-23P Connection Instructions
1. Shut the welder off.
2. Connect the LN-23P as per instructions on the
appropriate connection diagram in Section F.
(NOTE): When connecting an LN-23P to the
Invertec.
3. Set the "VOLTMETER" switch to "-".
4. Set the "MODE" switch to "CV WIRE" position.
5. Set the "WELD TERMINALS" switch to
"REMOTELY CONTROLLED".
6. Set the "ARC CONTROL" knob to "0" initially and
adjust to suit.
General Instructions for Connection of Wire
Feeders to V350-PIPE
Wire feeders other than those listed above may be
used provided that the auxiliary power supply rating
of the V350-PIPE is not exceeded. K867 universal
adapter plug is required. See connection diagram
S24985 on page F-4.
REMOTE CONTROL OF INVERTEC
Remote Control K857, Hand Amptrol K963 and Foot
Amptrol K870.
UNDERCARRIAGE MOUNTINGS
PARALLEL OPERATION
The V350-PIPE are operable in parallel in CC mode.
For best results, the currents of each machine should
be reasonably well shared. As an example, with two
machines set up in parallel for a 400 amp procedure,
each machine should be set to deliver approximately
200 amps, not 300 amps from one and 100 amps
from the other. This will minimize nuisance shutdown
conditions. In general, more than two machines in
parallel will not be effective due to the voltage require-
ments of procedures in that power range.
To set machine outputs, start with output control pots
and arc control pots in identical positions. Use the
output control pots to balance the currents and main-
tain the desired current. The arc control pots should
be kept identical on the two machines.
V350-PIIPE
M19527
6-
01
5.50
10.00
MOUNTING HOLE LOCATIONS
1/4-20 NUT (4 PLACES)
NOTE: MOUNTING SCREWS CANNOT PROTRUDE MORE THAN 0.5 INCHES INSIDE THE MACHINE.
3.50
11.84
B-1
OPERATION
V350-PIPE
B-1
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground.
• Always wear dry insulating gloves.
------------------------------------------------------------------------
FUMES AND GASES can be danger-
ous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove
fumes from breathing zone.
------------------------------------------------------------------------
WELDING SPARKS can cause fire or
explosion.
• Keep flammable material away.
• Do not weld on closed containers.
------------------------------------------------------------------------
ARC RAYS can burn eyes and skin.
• Wear eye, ear and body
protection.
------------------------------------------------------------
See additional warning information at
front of this operator’
s manual.
-----------------------------------------------------------
WARNING
GENERAL DESCRIPTION
The Invertec V350-PIPE offers DC Stick and
Innershield welding.
DUTY CYCLE
The V350-PIPE is rated at 350 amps, 60% duty cycle
(based on a 10 minute cycle). It is also rated at 300
amps, 100% duty cycle.
OPERATIONAL FEATURES and CONTROLS:
UPPER CONTROL PANEL
1. AMPS Meter
• Prior to STICK operation (current flow), the meter
displays preset current value (either 2 amps or +/-
3% (e.g. 3 amps on 100), whichever is greater).
• Prior to CV operation, the meter displays four dash-
es indicating non-presettable AMPS.
• During welding, this meter displays actual average
amps.
• After welding, the meter holds the actual current
value for 5 seconds. Output adjustment while in the
"hold" period results in the "prior to operation" char-
acteristics stated above. The displays blink indicat-
ing that the machine is in the "Hold" period.
2. VOLT METER
• Prior to CV operation (current flow), the meter dis-
plays desired preset voltage value (+/- .5V).
• Prior to STICK operation, the meter displays the
Open Circuit Voltage of the Power Source or four
dashes if the output has not been turned on.
• During welding, this meter displays actual average
volts.
• After welding, the meter holds the actual voltage
value for 5 seconds. The displays blink indicating
that the machine is in the "Hold" period.
• Output adjustment while in the "hold" period results
in the "prior to operation" characteristics stated
above.
3. OUTPUT CONTROL
• Output control is conducted via a single turn poten-
tiometer.
• Adjustment is indicated by the meters as stated
above.
4. WELD TERMINALS-REMOTE / ON
• Two status lights indicate the location of trigger con-
trol as determined by the "WELD TERMINALS"
push button.
• If trigger control is local "weld terminals on", the ON
display will be lit.
• If trigger control is remote "weld terminals remotely
controlled", the REMOTE display will be lit.
• The unit will power up in "pre-determined preferred"
trigger modes.
STICK = ON
CV = REMOTE
For all versions, these trigger modes can be over-ridden
(switched) with the WELD TERMINALS push button. When
changed, the unit will power up in the configuration it was in
when it was last powered down.
5.
THERMAL
• This status light indicates when the power source has
been driven into thermal overload. If the output terminals
were "ON", the "ON" light will blink indicating that the out-
put will be turned back on once the unit cools down to an
acceptable temperature level. If the unit was operating in
the "REMOTE" mode, the trigger will need to be opened
before or after the thermal has cleared and closed after
the machine has cooled down to an acceptable tempera-
ture to establish output.
B-2
OPERATION
B-2
6.
CONTROL-REMOTE / LOCAL
• Two status lights indicate the location of output control as
pre-determined by the power sources auto-configure sys-
tem.
• The LOCAL display will be lit when control is at the power
source.
• The REMOTE display will be lit when a remote pot/control
is detected.
These Output Control configurations can be overridden
(switched) with the CONTROL push button. When
changed, the unit will power up in the configuration it was in
when it was last powered down.
Hidden Middle Control Panel – Process Set Up
Panel
7. WELD MODE SELECT - FACTORY AND
CONSTRUCTION (See Figure B.1)
The Mode Control button selects from the following
welding modes.
CC-STICK SOFT: The Stick Soft process features
continuous control ranging from 5 to 425 amps. This
mode was intended for most SMAW applications, and
Arc Gouging.
• Arc Gouging: Setting the output of the Stick Soft
mode to 425 amps will enable the arc-gouging
mode. The actual output current will depend on the
size of carbon used. The recommended maximum
size carbon is 5/16".
• The Hot Start control regulates the starting current
at arc initiation. Hot Start can be adjusted from min-
imum (0), with no additional current added at arc
start, to maximum (10), with double the preset cur-
rent or 425 amps (max of machine) added for the
first second after arc initiation.
• The Arc Control regulates the Arc Force to adjust
the short circuit current. The minimum setting (-10)
will produce a "soft" arc and will produce minimal
spatter. The maximum setting (+10) will produce a
"crisp" arc and will minimize electrode sticking.
CC-STICK CRISP:The Stick Crisp mode features
continuous control from 60 to 250 amps. This mode
was intended primarily for pipe welding applications.
• The Hot Start control regulates the starting current
at arc initiation. Hot Start can adjust starting current
up or down by 25% of the preset value. The recom-
mended setting for Hot Start is 5 where the initial
current is equal to the preset current.
• The Arc Control regulates the Arc Force to adjust
the short circuit current. The minimum setting (-10)
will produce a "soft" arc and will produce minimal
spatter. The maximum setting (+10) will produce a
"crisp" arc and will minimize electrode sticking.
CV-INNERSHIELD: The CV-INNERSHIELD mode
features continuous control from 15 to 29 volts. This
mode was designed for 5/64 NR 207 on Pipe Welding
Applications.
• The Hot Start control is not used in the CV-FLUX
CORED mode.
• The Arc Control regulates pinch effect. At the mini-
mum setting (-10), minimizes pinch and results in a
soft arc. At the maximum setting (+10), maximizes
pinch effect and results in a crisp arc.
The pinch control was optimized for NR207 at an
Arc Control setting of 0.0.
V350-PIPE
HOT START
HOT START
WELD MODE
WELD MODE
ARC CONTROL
ARC CONTROL
CC-STICK SOFT
CC-STICK SOFT
CC-STICK CRISP
CC-STICK CRISP
CV-INNERSHIELD
CV-INNERSHIELD
-4
-4
+4
+4
+2
+2
-2
-2
0
-6
-6
+6
+6
-10
-10
SOFT
SOFT
CRISP
CRISP
+10
+10
-8
-8
+8
+8
5
4
3
2
1
0
6
10
10
9
8
7
SELECT
SELECT
REMOTE
REMOTE
ON
ON
REMOTE
REMOTE
LOCAL
LOCAL
m
WELD TERMINALS
WELD TERMINALS
OUTPUT
OUTPUT
CONTROL
CONTROL
SELECT
SELECT
SELECT
SELECT
MPS
MPS
A
OLTS
OLTS
V
1
6
5
2
3
4
8
7
11
10
12
9
FIGURE B.1
Types of Remote OUTPUT CONTROL
• The Invertec V350-PIPE’S Output Control can be
controlled by either a potentiometer connected
between 77 & 75 with the wiper connected to 76 or
a 0V to 10V DC supply connected between 76 & 75.
(76 needs to be positive)
• 14-Pin Ms-style connector lead 75 is pin G, lead 76
is pin F and lead 77 is pin E.
• 6-Pin Ms-style connector lead 75 is pin C, lead 76 is
pin B and lead 77 is pin A.
Potentiometer Control
• The total resistance should be between 2000 ohms
(2K) and 10,000 ohms (10K)
• The machine output will be at minimum when lead
76 (wiper) is at the end of the potentiometer that is
connected to 75. The machine’s output will increase
as the wiper of the potentiometer is moved to the
end that is connected to 77. (Note: In TIG mode,
moving the lead 76 (wiper) to lead 77 would pro-
duce the current that has been set by the Invertec
V350-PIPE’S front panel Output Control.)
• Remotes of this type offered by Lincoln Electric are
the K857, K812 and K870.
Voltage Control
• The supply should be an isolated supply. (Not refer-
enced to earth ground, any auxiliary power from the
Invertec V350-PIPE or the welding output) The sup-
ply should be capable of supplying at least 20mA.
• 0 volts supplied to 76 will set the Invertec V350-
PIPE to minimum output for the mode that has been
selected while 10 volts supplied to 76 will set the
Invertec V350-PIPE to the maximum output for the
mode. (Note: In TIG mode, 10 volts supplied to lead
76 would produce the current that has been set by
the Invertec V350-PIPE’s front panel Output
Control.)
B-3
OPERATION
B-3
8. HOT START and ARC CONTROL features
have different functions depending on the welding
Mode that is active. Each feature is described under
the welding mode heading. (See Item 7 or 7.A for
specified Mode Operations) (See Figure 1 or 2)
LOWER CASE PANEL (See Figure 1)
The output studs, line switch and remote connector
are located on the lower case front.
9. Both terminals are "TWIST-MATE" connectors.
The Negative terminal is configured to accept the
pass through gas system.
10. The METER POLARITY switch is located above
the output connectors. The switch provides a work
connection for wire feeder voltmeters. Place the
switch in the position of the electrode polarity indi-
cated by the decal. The switch does not change
the welding polarity.
11. 6-pin MS-style connector for remote control.
12. 14-pin MS-style connector for wire feeder connec-
tion and remote control.
REMOTE CONTROL of the OUTPUT CONTROL
and WELD TERMINALS
The Invertec V350-PIPE has auto sensing of remote
output controls. If after connecting or removing a
remote, the Invertec V350-PIPE did not configure the
way you would like the local or remote control settings
can be changed by pushing the OUTPUT CONTROL
or WELD TERMINAL button. (A user cannot select
between the 6 and 14 pin MS-style connectors.)
CV modes
• The remote will default to the 14-pin MS-style con-
nector if a remote is connected. If no remote is con-
nected to the 14-pin MS-style connector then the
remote will default to the 6-pin MS-style connector if
a remote is connected to it.
• In all of the CV modes, the WELD TERMINAL con-
trol will default to REMOTE.
CC-Stick modes
• The remote will default to only the 6-pin MS-style
connector if a remote is connected to it.
• The WELD TERMINAL control will default to ON
with or without a remote connected.
V350-PIPE
B-4
OPERATION
B-4
V350-PIPE
Types of Remote WELD TERMINAL Control
• The Invertec V350-PIPE’S Weld Terminals can be
controlled from each of the MS-style connectors.
The circuit has a nominal OCV of 15VDC and
requires a dry contact closure (less than 100 ohms)
to activate the output of the Invertec V350-PIPE.
• 14-Pin MS-style connector, the Weld Terminals are
controlled from pin C (lead 2) and pin D (lead 4). Pin
C is positive.
• 6-Pin MS-style connector, the Weld Terminals are
controlled from pin D (lead 2) and pin E (lead 4). In
the 6-pin MS-style connector pin D is positive.
AUXILIARY POWER
• 42 VAC and 24 VAC power is available from the 14-
pin MS-style connector. These supplies are intend-
ed to supply power for auxiliary equipment like wire
feeders.
• 42 VAC supply is rated at 5.5 amps and is protected
by a 6 amp breaker.
• 24 VAC supply is rated at 5.5 amps and is protected
by a 6 amp breaker.
LIMITATIONS
• The V350-PIPE is not recommended for processes
other than those listed.
• The V350-PIPE can only be used with the recom-
mended equipment and options.
RECOMMENDED PROCESSES
Properly equipped, the Invertec V350-PIPE sup-
ports , FCAW, SMAW, and CAC-A processes for a
variety of materials, including mild steel, stainless
steel, cored wires, and aluminum.
C-1
ACCESSORIES
C-1
OPTIONS / ACCESSORIES
• K2176-1 Twist-Mate to Lug Adapter
• K1764-1 Inverter and Feeder Cart
• K1557 Swivel Kit
• K1702-1 Dual Cylinder Kit (For K1764-1)
• K1838-1 Valet Style Undercarriage
Welding Cable Connectors:
• K852-70 1/0-2/0 cable
• K852-95 2/0-3/0 cable
K857 Remote Output Control
K814 Arc Start Switch
K812 Hand Operated Amptrol
K870 Foot Operated Amptrol
Note: All of the above remote controls connect direct-
ly to the 6-pin MS-style connector, with either a K864
or K876 adapter and connect it to the 14 pin wire
feeder MS-style connector. (See Diagram in Section
F-1)
K316L-2 LN-23P
K428, K446, K449 LN-25
K617 (-1 or -2) K618 (-1 or -2) LN-742
K1559-1, K1564-1 LN-10
K1499-1, K1521-1 DH-10
K1587-1 Cobramatic
V350-PIPE
QUICK DISCONNECT PLUGS
A quick disconnect system is used for the welding
cable connections. The K852-70 is designed to
accept a welding cable size of 1/0 to 2/0.
1. Remove 25mm (1 in.) of welding cable insulation.
2. Slide rubber boot onto cable end. The boot end
may be trimmed to match the cable diameter.
Soap or other lubricant will help to slide the boot
over the cable.
3. Slide the copper tube into the brass plug.
4. Insert cable into copper tube.
5. Tighten set screw to collapse copper tube. Screw
must apply pressure against welding cable. The
top of the set screw will be well below the surface
of the brass plug after tightening.
6. Slide rubber boot over brass plug. The rubber
boot must be positioned to completely cover all
electrical surfaces after the plug is locked into the
receptacle.
25 mm
1 in.
WELDING CABLE
BOOT
TRIM
SET SCREW
BRASS PLUG
COPPER TUBE
D-1
MAINTENANCE
D-1
VISUAL INSPECTION
Clean interior of machine with a low pressure air
stream. Make a thorough inspection of all compo-
nents. Look for signs of overheating, broken leads or
other obvious problems. Many problems can be
uncovered with a good visual inspection.
ROUTINE MAINTENANCE
1. Every 6 months or so the machine should be
cleaned with a low pressure airstream. Keeping
the machine clean will result in cooler operation
and higher reliability. Be sure to clean these areas:
• All printed circuit boards
• Power switch
• Main transformer
• Input rectifier
• Auxiliary Transformer
• Reconnect Switch Area
• Fan (Blow air through the rear louvers)
2. Examine the sheet metal case for dents or breakage.
Repair the case as required. Keep the case in good con-
dition to insure that high voltage parts are protected and
correct spacings are maintained. All external sheet
metal screws must be in place to insure case strength
and electrical ground continuity.
PERIODIC MAINTENANCE
Overload Protection
The machine is electrically protected from producing
high output currents. Should the output current
exceed 430A, an electronic protection circuit will
reduce the current to approximately 100A. The
machine will continue to produce this low current until
the protection circuit is reset. Reset occurs when the
output load is removed.
Thermal Protection
Thermostats protect the machine from excessive
operating temperatures. Excessive temperatures may
be caused by a lack of cooling air or operating the
machine beyond the duty cycle and output rating. If
excessive operating temperature should occur, the
thermostat will prevent output voltage or current. The
meter will remain energized during this time.
Thermostats are self-resetting once the machine cools
sufficiently. If the thermostat shutdown was caused by
excessive output or duty cycle and the fan is operating
normally, the Power Switch may be left on and the
reset should occur within a 15 minute period.
V350-PIPE
SAFETY PRECAUTIONS
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts or
electrode with skin or wet clothing.
• Insulate yourself from work and
ground
• Always wear dry insulating gloves.
------------------------------------------------------------------------
EXPLODING PARTS can cause
injury.
•
Failed parts can explode or cause other
parts to explode when power is applied.
•
Always wear a face shield and long
sleeves when servicing.
------------------------------------------------------------------------
See additional warning information
throughout this Operator’s Manual
-----------------------------------------------------------
WARNING
CAPACITOR DISCHARGE PROCEDURE
1. Obtain a power resistor (25 ohms, 25 watts).
2. Hold resistor body with electrically insulated glove.
DO NOT TOUCH TERMINALS.
Connect the resis-
tor terminals across the two studs in the position
shown. Hold in each position for 1 second. Repeat
for all four capacitors.
3. Use a DC voltmeter to check that voltage is not
present across the terminals on all four capacitors.
CAPACITOR
TERMINALS
RESISTOR
E-1
TROUBLESHOOTING
E-1
V350-PIPE
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
This Troubleshooting Guide is provided to help you
locate and repair possible machine malfunctions.
Simply follow the three-step procedure listed below.
Step 1. LOCATE PROBLEM (SYMPTOM).
Look under the column labeled “PROBLEM (SYMP-
TOMS)”. This column describes possible symptoms
that the machine may exhibit. Find the listing that
best describes the symptom that the machine is
exhibiting.
Step 2. POSSIBLE CAUSE.
The second column labeled “POSSIBLE CAUSE” lists
the obvious external possibilities that may contribute
to the machine symptom.
Step 3. RECOMMENDED COURSE OF ACTION
This column provides a course of action for the
Possible Cause, generally it states to contact your
local Lincoln Authorized Field Service Facility.
If you do not understand or are unable to perform the
Recommended Course of Action safely, contact your
local Lincoln Authorized Field Service Facility.
HOW TO USE TROUBLESHOOTING GUIDE
Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician and
machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical
Shock, please observe all safety notes and precautions detailed throughout this manual.
__________________________________________________________________________
WARNING
E-2
TROUBLESHOOTING
E-2
V350-PIPE
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Major physical or electrical damage
is evident when the sheet metal
covers are removed.
Input fuses keep blowing, or input
breaker keeps tripping
Machine will not power up (No
lights)
Machine won’t weld, can’t get any
output.
1. Contact your local authorized
Lincoln Electric Field Service facil-
ity for technical assistance.
1. Make certain that the fuses or
breakers are properly sized. See
installation section of the manual
for recommended fuse and break-
er sizes.
2. Welding procedure is drawing too
much output current, or duty cycle
is too high. Reduce output current,
duty cycle or both.
3. There is internal damage to the
power source. Contact an autho-
rized Lincoln Electric Service facil-
ity.
1. Make certain that the power
switch is in the "ON" position.
2. The circuit breaker in the recon-
nect area may have opened.
Reset. Check input voltage sec-
tion below.
3. Input voltage selection made
improperly. Power down, check
input voltage reconnect according
to diagram on reconnect cover.
4. The 6 amp breaker may have
opened. Check for overload on
42VAC or 24VAC supply from the
14 pin MS-style connector.
1. If the displays show an Err ###
see the fault section for corrective
action.
2. If the displays are not lit refer to
machine will not power up section.
3. If the thermal symbol is lit refer to
the thermal section.
4. If the output terminals are in
remote control switch to "ON" and
check for output voltage. If output
voltage is now present check for
correct remote control connection
and operation.
1.I
f all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service
Facility.
E-3
TROUBLESHOOTING
E-3
V350-PIPE
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Thermal symbol is lit
Wire feeder won’t work. Apparently
no power to wire feeder
1. Check for proper fan operation. If
fan is not operating correctly the
CB 2 amp breaker may have
opened. Check for an overload on
the 115VAC. Blow air in rear lou-
vers to remove dirt from around
fan.
2. Check for material blocking intake
or exhaust louvers.
3. Blow air in the rear louvers to
clear dirt from the fan.
1. Check circuit breakers by the wire
feeder receptacles on the rear of
the machine. Reset
2. Check the control cable between
the power source and the wire
feeder for continuity.
1.I
f all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service
Facility.
E-4
TROUBLESHOOTING
E-4
V350-PIPE
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
Fault Codes
Code Description Corrective Action
31 Primary over current. If condition persists The machine needs to
contact an authorized be turned off and back
Lincoln Field Service
on to reset the machine.
Shop
32 CAP bank A under voltage. Check input power Self-clearing as
33 CAP bank B under voltage. reconnect to make sure condition ceases.
34 CAP bank A over voltage. the machine
35 CAP bank B over voltage. is connected for the input
37 Soft start Failed. power being supplied. Cycle power.
39 Glitch on the primary over Check the machine Self-clearing as
current fault interrupt; possibly ground. condition ceases.
caused by noise or a signal level If problem persists
(misc. hardware fault #1) contact an authorized
Lincoln Field Service
Shop
43 CAP delta; CAP A and B are out Check input power
of balance. reconnect to make sure
the machine is
connected for the input
power being supplied.
44 Main CPU problem. The DSP Check the machine
has detected a problem with the ground.
CPU.
47 Possible erroneous electrical If problem persists
noise on Voltage/Frequence contact an authorized
capacitor feed back circuit. Lincoln Field Service
Shop
(misc. hardware fault #2)
48 The main contactor opened If condition persist Self-clearing
unexpectedly. (misc. hardware contact an authorized
fault #3) Lincoln Field Service
Shop
"bad The selected weld mode does If condition persists Press the Mode
node’ not exist in the weld table that is contact an authorized Select button to
“####”
presently loaded in the machine. Lincoln Field Service select a different
Shop mode
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Lincoln Electric Invertec V350-Pipe Manuel utilisateur
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