Simplicity 076050-00 Manuel utilisateur

Operator’s Manual

Generator Systems

48000 Watt

Generator System

Series 48000

This generator is rated in accordance with UL (Underwriters Laboratories) 2200 (stationary engine generator assemblies) and CSA (Canadian Standards

Association) standard C22.2 No. 100-4 (motors and generators).

2

Thank you for purchasing this quality-built GE generator. We’re pleased that you’ve placed your confidence in the GE

brand. When operated and maintained according to the instructions in this manual, your generator will provide many

years of dependable service.

This manual contains safety information to make you aware of the hazards and risks associated with standby

generators and how to avoid them. Because we do not necessarily know all the applications this equipment could

be used for, it is important that you read and understand these instructions thoroughly before attempting to start or

operate this equipment. Save these instructions for future reference.

This generator requires professional installation before use. Refer to the separate installation manual for full

information. Your installer should follow the instructions completely.

Where to Find Us

You never have to look far to find support and service for your generator. For quick service when you need

it most fill out the information below and keep your original receipt with this manual. You may contact

Customer Service at 888-575-8226 between 8:00 AM and 5:00 PM CT., or click on SERVICE & SUPPORT at

www.standbygeneratorsystems.com, which provides a list of authorized dealers.

Generator and engine model and serial numbers should be recorded in the installation manual.

3

Table of Contents

Safety Rules..........................................................4

Installation ..........................................................7

For the Owner........................................................7

For the Installing Dealer/Contractor....................................7

Owner Orientation....................................................8

Fuel Factors..........................................................8

Generator Location ...................................................9

Delivery Inspection ...................................................9

Controls ............................................................10

Operation...........................................................14

Automatic Operation ................................................15

Setting Exercise Timer ...............................................15

Maintenance ........................................................16

Service Code Detection System .......................................16

Generator Maintenance..............................................18

Engine Oil...........................................................18

Synthetic Oils .......................................................18

Oil Recommendation.................................................19

Checking Engine Oil Level ............................................19

Engine V-Belts.......................................................20

Engine Coolant System...............................................21

Engine Air Cleaner ..................................................21

Generator Electrical System Maintenance .............................22

Battery .............................................................22

Fuel System Inspection and Maintenance ..............................23

Storage.............................................................24

Troubleshooting .....................................................26

Warranty ...........................................................28

Product Speciﬁcations ...............................................30

4

Safety Rules

SAVE THESE INSTRUCTIONS - This manual contains

important instructions that should be followed during

installation and maintenance of the generator and batteries.

Safety Symbols and Meanings

The safety alert symbol indicates a potential personal

injury hazard. A signal word (DANGER, WARNING, or

CAUTION) is used with the alert symbol to designate a degree

or level of hazard seriousness. A safety symbol may be used

to represent the type of hazard. The signal word NOTICE is

used to address practices not related to personal injury.

DANGER indicates a hazard which, if not avoided, will

result in death or serious injury.

WARNING indicates a hazard which, if not avoided, could

result in death or serious injury.

CAUTION indicates a hazard which, if not avoided, could

result in minor or moderate injury.

NOTICE addresses practices not related to personal injury.

Important Safety Instructions

The manufacturer cannot possibly anticipate every possible

circumstance that might involve a hazard. The warnings

in this manual, and the tags and decals affixed to the unit

are, therefore, not all-inclusive. If you use a procedure, work

method or operating technique that the manufacturer does

not specifically recommend, you must satisfy yourself that it

is safe for you and others. You must also make sure that the

procedure, work method or operating technique that you

choose does not render the generator system unsafe.

Fire

Toxic Fumes

Explosive Pressure

Rotating Fan Blade

Lift Hazard Read Manual

Exploding BatteryRotating Belt/Pulley

Chemical BurnAuto Start

Hot SurfaceRotating Parts

Electrical ShockExplosion

WARNING The engine exhaust from this product contains

chemicals known to the State of California to cause cancer, birth

defects, or other reproductive harm.

WARNING Certain components in this product and related

accessories contain chemicals known to the State of California

to cause cancer, birth defects, or other reproductive harm. Wash

hands after handling.

WARNING Running engine gives off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide could result in death, serious

injury, headache, fatigue, dizziness, vomiting, confusion,

seizures, nausea or fainting.

• Operate this product ONLY outdoors in an area that will not

accumulate deadly exhaust gas.

• Keep exhaust gas away from any windows, doors, ventailation

intakes, soffit vents, crawl spaces, open garage doors or other

openings that can allow exhaust gas to enter inside or be drawn

into a potentially occupied building or structure.

• Carbon monoxide detector(s) MUST be installed and maintained

indoors according to the manufacturer’s instructions/

recommendations. Smoke alarms cannot detect carbon

monoxide gas.

5

WARNING Storage batteries give off explosive hydrogen gas

during recharging.

Slightest spark will ignite hydrogen and

cause explosion, resulting in death or

serious injury.

Battery electrolyte fluid contains acid and is extremely caustic.

Contact with battery contents could cause severe chemical burns.

A battery presents a risk of electrical shock and high short

circuit current.

• DO NOT dispose of battery in a fire. Recycle battery.

• DO NOT allow any open flame, spark, heat, or lit cigarette during

and for several minutes after charging a battery.

• DO NOT open or mutilate the battery.

• Wear protective goggles, rubber apron, rubber boots and

rubber gloves.

• Remove watches, rings, or other metal objects.

• Use tools having insulated handles.

WARNING Propane and Natural Gas are extremely flammable

and explosive, which could cause burns, fire or

explosion resulting in death or serious injury.

• Install the fuel supply system according to NFPA 37 and other

applicable fuel-gas codes.

• Before placing the generator into service, the fuel system lines

must be properly purged and leak tested.

• After the generator is installed, you should inspect the fuel

system periodically.

• NO leakage is permitted.

• DO NOT operate engine if smell of fuel is present or other

explosive conditions exist.

• DO NOT smoke around the generator. Wipe up any oil spills

immediately. Ensure that no combustible materials are left in the

generator compartment. Keep the area near the generator clean

and free of debris.

WARNING Generator produces hazardous voltage.

Failure to properly ground generator could result

in electrocution.

Failure to isolate generator from utility power could result

in death or serious injury to electric utility workers due to

backfeed of electrical energy.

• DO NOT touch bare wires or bare receptacles.

• DO NOT use generator with electrical cords which are worn,

frayed, bare or otherwise damaged.

• DO NOT handle generator or electrical cords while standing in

water, while barefoot, or while hands or feet are wet.

• If you must work around a unit while it is operating, stand on an

insulated dry surface to reduce the risk of a shock hazard.

• DO NOT allow unqualified persons or children to operate or

service generator.

• In case of an accident caused by electrical shock, immediately

shut down the source of electrical power and contact the local

authorities. Avoid direct contact with the victim.

• Despite the safe design of the generator, operating this

equipment imprudently, neglecting its maintenance or being

careless could cause possible injury or death.

• Remain alert at all times while working on this equipment.

Never work on the equipment when you are physically or

mentally fatigued.

• Before performing any maintenance on the generator, disconnect

the battery cable indicated by a NEGATIVE, NEG or (-) first. When

finished, reconnect that cable last.

• After your system is installed, the generator may crank and start

without warning any time there is a power failure. To prevent

possible injury, always set the generator’s system switch to OFF,

open the service disconnect switch AND remove the 15 Amp fuse

BEFORE working on the equipment.

6

WARNING Moving parts could crush and cut.

Starter and other rotating parts

could entangle hands, hair, clothing,

or accessories resulting in serious injury.

• NEVER operate generator without protective housings, covers, or

guards in place.

• DO NOT wear loose clothing, jewelry or anything that could be

caught in the starter or other rotating parts.

• Tie up long hair and remove jewelry.

• Before servicing, remove 15 Amp fuse from control panel and

disconnect Negative (NEG or -) battery cable.

WARNING Hot pressurized coolant could cause serious injury.

• DO NOT open radiator cap when hot.

• Before servicing, allow coolant to cool.

CAUTION Installing the 15A fuse could cause the engine

to start at any time without warning resulting in minor or

moderate injury.

• Observe that the 15 Amp fuse has been removed from the control

panel for shipping.

• DO NOT install this fuse until all plumbing and wiring has been

completed and inspected.

CAUTION Excessively high operating speeds could result in

minor injury and/or equipment damage.

Excessively low speeds impose a heavy load on generator.

• DO NOT tamper with governed speed. Generator supplies correct

rated frequency and voltage when running at governed speed.

• DO NOT modify generator in any way.

NOTICE Exceeding generators wattage/amperage capacity could

damage generator and/or electrical devices connected to it.

• Start generator and let engine stabilize before connecting

electrical loads.

NOTICE Improper treatment of generator could damage it and

shorten its life.

• Use generator only for intended uses.

• If you have questions about intended use, contact your

authorized dealer.

• Operate generator only on level surfaces.

• Adequate, unobstructed flow of cooling and ventilating air is

critical to correct generator operation.

• The access panels/door must be installed whenever the unit

is running.

• DO NOT expose generator to excessive moisture, dust, dirt, or

corrosive vapors.

• Remain alert at all times while working on this equipment.

Never work on the equipment when you are physically or

mentally fatigued.

• DO NOT start engine with air cleaner or air cleaner cover removed.

• DO NOT insert any objects through cooling slots.

• DO NOT use the generator or any of its parts as a step. Stepping

on the unit could cause stress and break parts. This may result in

dangerous operating conditions from leaking exhaust gases, fuel

leakage, oil leakage, etc.

• If connected devices overheat, turn them off and disconnect them

from generator.

• Shut off generator if:

-electrical output is lost;

-equipment sparks, smokes, or emits flames;

-unit vibrates excessively.

-unit makes unusual noises.

WARNING Exhaust heat/gases could ignite combustibles or

structures resulting in death or serious injury.

Contact with muffler area could cause burns

resulting in serious injury.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

• Exhaust outlet side of weatherproof enclosure must have at least

5 ft. (1.5m) minimum clearance from any structure, shrubs, trees

or any kind of vegetation.

• Standby generator weatherproof enclosure must be at least

5 ft. (1.5m) from windows, doors, any wall opening, shrubs or

vegetation over 12 inches (30.5 cm) in height.

• Standby generator weatherproof enclosure must have a minimum

of 5 ft. (1.5 m) overhead clearance from any structure, overhang,

or trees.

• DO NOT place weatherproof enclosure under a deck or other type

of structure that may confine airflow.

• Use only flexible fuel line provided. Connect provided fuel line to

generator. DO NOT use with or substitute any other flexible

fuel line.

• Smoke detector(s) MUST be installed and maintained indoors

according to the manufacturer’s instructions/recommendations.

Carbon monoxide alarms cannot detect smoke.

• Keep at least minimum distances shown in General Location

Guidelines to insure for proper generator cooling and

maintenance clearances.

• Replacement parts must be the same and installed in the same

position as the original parts.

7

To help you make informed choices and communicate

effectively with your installation contractor(s),

Read and understand Owner Orientation in this manual

before contracting or starting your generator installation.

To arrange for proper installation, contact the store at

which you purchased your generator, your dealer, a licensed

electrician or your utility power provider.

The generator warranty is VOID unless the system is

installed by licensed electrical and plumbing professionals.

Every effort has been made to ensure that information in this

manual is accurate and current. However, we reserve the

right to change, alter, or otherwise improve the product and

this document at any time without prior notice.

The Emission Control System for this generator is warranted

for standards set by the U.S. Environmental Protection

Agency and by the California Air Resources Board (CARB).

For the Owner

If you need more information in this matter, please call

888 575‑8226 between 8:00 AM and 5:00 PM CT..

For most applications, the Installation manual contains

all the information required to properly install and start

the generator. This Operator’s Manual describes routine

operation and owner maintenance procedures.

For the Installing Dealer/Contractor

Installation

We sincerely appreciate your patronage. For this reason, we

have made every effort to provide for a safe, streamlined

and cost-effective installation. Because each installation is

unique, it is impossible to know of and advise the trade of all

conceivable procedures and methods by which installation

might be achieved. Neither could we know of possible

hazards and/or the results of each method or procedure. For

these reasons,

Only current licensed electrical and plumbing

professionals should attempt generator system

installations. Installations must strictly comply with all

applicable codes, industry standards and regulations.

Your generator is supplied with this “Operator’s Manual”

and a separate “Installation Manual”. These are important

documents and should be retained by the owner after the

installation has been completed.

8

Power Decrease at High Altitude or

High Temperature

Air density is less at high altitudes, resulting in less available

engine power. Specifically, engine power will decrease 3.5%

for each 1,000 feet (300 meters) above sea level and 1%

for each 10° F (5.6°C) above 77°F (25°C). Make sure you and

your installer consider these factors when determining total

generator load.

An important consideration affecting the entire installation

is the type of fuel used by your generator. The system was

factory tested and adjusted using either natural gas or

liquid propane (LP vapor). For proper engine function, factors

that are inherent to each of these fuels, your location and

the duration of possible utility interruptions are important

considerations in the following fuel guidelines:

• Use clean, dry fuel, free of moisture or any

particulate material. Using fuels outside the

following recommended values may cause

performance problems.

• In engines set up to run on propane (LP), use

commercial grade HD5 propane with a minimum fuel

energy of 2500 BTUs/ft

3

with maximum propylene

content of 5% and butane and heavier gas content of

2.5% and minimum propane content of 90%.

Natural gas rating will depend on specific fuel but typical

derates are between 10 to 20% off the LP gas rating.

Fuel Factors

gaseous fuel supply increases, and the number of 90 degree

bends in the fuel supply increases, compensations in piping

and wiring materials must be made. This is necessary to

comply with local codes and overcome electrical voltage

drops and gaseous fuel pressure drops.

The factors mentioned above will have a direct effect on

the overall price of your generator installation.

In some areas you may need to acquire electrical permits

for installing the generator, building permits for installing

gas lines, and permits for noise allowances. Your installer

should check your local codes AND obtain the permits before

installing the system.

This section provides generator owners with the information

necessary to achieve the most satisfactory and cost effective

installation possible.

The illustrations are for typical circumstances and are meant

to familiarize you with the installation options available

with your generator. A thorough understanding of these

options will provide fundamental control over the cost of

your installation, as well as ensure your final satisfaction

and security.

Federal and local codes, appearance, noise levels, fuel types,

and distances are the factors that must be considered when

negotiating with an installation professional. Remember

that as the distance from the existing electrical service and

Owner Orientation

WARNING Propane and Natural Gas are extremely flammable

and explosive, which could cause burns, fire or

explosion resulting in death or serious injury.

• The residential generator is equipped with an

automatic safety gas “fuel shut-off” valve.

• DO NOT operate the equipment if the “fuel shut-off” valve is

missing or inoperative.

9

Delivery Inspection

Carefully inspect the generator for any damage that may

have occurred during shipment.

If loss or damage is noted at time of delivery, have the

person(s) making delivery note all damage on the freight bill

and affix his signature under the consignor’s memo of loss or

damage. If loss or damage is noted after delivery, separate

the damaged materials and contact the carrier and your

installer for claim procedures. Missing or damaged parts are

not warranted.

The generator system is supplied with:

• Fully-serviced coolant system

• Fully-serviced oil/lubricating system

• Flexible fuel hook-up

• Installation and start-up manual

• Operator’s manual

• Spare access door keys

• Spare 15 Amp ATO-type fuse

• Ten-pin control panel connector

• Touch up paint

• Remote wireless monitor

• Antenna

To be supplied by Installer:

• Starting battery

• Reinforced concrete mounting pad

• Connecting wire and conduit

• Fuel supply valves/plumbing

• Various specialty tools/equipment

• Two (2) AA batteries for remote wireless monitor

The actual physical location of your generator has a direct

affect on:

1. The amount of plumbing required to fuel

your generator.

2. The amount of wiring required to control and connect

your generator.

Specific location guidelines are discussed in the installation

manual. Acquaint yourself with that information and confer

with your installer. Be sure to ask how your site might

affect installation costs and compliance with local codes

and standards.

The generator must be installed outdoors. DO NOT install

generator where exhaust gas could accumulate and enter

inside or be drawn into a potentially occupied building.

Ensure exhaust gas is kept away from any windows, doors,

ventilation intakes or other openings that can allow exhaust

gas to collect in a confined area. Prevailing winds and air

currents should be taken into consideration when positioning

generator. See the installation manual for full details on safe

generator location.

Generator Location

WARNING Exhaust heat/gases could ignite combustibles or

structures resulting in death or serious injury.

• DO NOT install the generator closer than 5 feet (1.5m) from any

combustibles or structures with combustible walls having a fire

resistance rating of less than 1 hour.

WARNING Running engine gives off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide could result in death, serious

injury, headache, fatigue, dizziness, vomiting, confusion,

seizures, nausea or fainting.

• Operate this product ONLY outdoors.

• Install a battery operated carbon monoxide alarm near

the bedrooms.

• Keep exhaust gas from entering a confined area through

windows, doors, ventilation intakes, or other openings.

10

Read this operator’s manual and Important Safety Instructions before operating your generator.

Compare the illustrations of this model with your generator to familiarize yourself with the locations of various controls

and adjustments. Save this manual for future reference.

48 kW Generator

Generator is pictured with access doors removed for clarity

and screen guard open for clarity.

A - Exhaust Port — High-performance muffler lowers engine

sound level to comply with most residential codes.

B - Coolant Fill Door — Provides access for servicing engine

with coolant.

C - Air Cleaner — Protects engine by filtering dust and debris

out of intake air.

D - Battery Door opening — Provides access to starting

battery and air cleaner.

E - Engine Label — Identifies engine model and type.

F - Oil Dip Stick — Used to check the engine oil level.

G - Oil Fill Cap — Remove to service the engine with

recommended oil.

H - Screen Guard — Prevents fingers from touching radiator

fan and houses the coolant recovery bottle. Must stay

closed while generator is in use.

J - Coolant Recovery Bottle — Located on inside of screen

guard. Provides visual indicator of engine coolant level.

K - Oil Filter — Filters engine oil to prolong system life.

L - Fuel Inlet — Fuel supply is connected here.

M - Oil Drain Hose — Provided to facilitate oil changing.

N - ID Label (located on base) — Identifies unit by

serial number.

P - Circuit Breaker Enclosure - Equipped with removable

bottom to assist with conduit connection.

R - Control Panel Door opening — Provides access to control

panel, oil filter, etc.

S - Control Panel — Used for various test, operation and

maintenance functions. See System Control Panel.

Controls

J

L

MN

P

R

A

B

H

S

C

D

F

GE

H

K

A

B

C

D

E

F

G

H

J

K

L

M

N

P

R

S

11

Compare this 48 kW control panel illustration with your generator to familiarize yourself with the location of these important controls:

System Control Panel

A - Circuit Breaker — Protects the system from shorts

and other over-current conditions. Must be ON to

supply power to the automatic transfer switch.

B - Menu/Programming Navigation Buttons — See

Menu section for details

C - USB Port — Authorized Dealer Service Use Only

D - Generator Operation Control Buttons —

•“AUTO” Normal operating position. Press and hold

button to put unit into Automatic mode. If an utility

power outage is sensed, the system will start the

generator. When utility power is restored, auto lets the

engine stabilize internal temperatures, shuts o the

generator, and waits for the next utility outage.

•“OFF” Turns o running generator, prevents unit from

starting, and resets any detected faults.

OFF must be pressed and held for more than 5

seconds in order to reset service codes.

•“MANUAL” Used to manually start the generator.

“AUTO” LED — LED will light when unit is placed into

Auto mode. LED will blink if exercise cycle is not set or

set to OFF.

E – 15 Amp Fuse — Protects the home generator DC

control circuits. If the fuse has ‘blown’ (melted open)

or was removed, the engine cannot crank or start.

Replace the fuse using only an identical ATO 15A

fuse. One spare fuse is supplied with the unit.

F - Digital Display — Displays generator mode, menu

options, service codes, and service engine indicators

A

D

B

E

C

F

A

B

C

D

E

F

12

The generator is equipped with an enclosure that has

several access doors. The doors are named for a significant

component located behind them, as follows:

A - Fuel Inlet port (shown for reference)

B - Control Panel door (may be two doors)

C - Exhaust opening (shown for reference)

D - Coolant Fill door

E - Battery door

F - Muffler door

The enclosure also includes muffler and radiator access

panels, used for cleaning those components. All panels

should remain closed at all other times to assure proper

cooling, reduce noise, and for added safety.

NOTE: Doors shown in picture may differ from those on unit.

Access Ports

Each generator is equipped with a set of identical keys. These

keys fit the locks that secure the access doors.

NOTICE Before opening and/or removing doors, remove

power to the unit by using the following procedures:

1. Press and hold the control board OFF button.

2. Remove 15 Amp fuse from control board.

To open access door:

1. Insert key into lock of access door handle and turn

key one quarter turn counterclockwise.

2. Grasp door’s handle and turn one quarter turn

counterclockwise to open. Remove key.

3. Coolant Fill door is unlocked in the same manner. It

can be used for adding coolant or oil.

To close access door:

1. Close door and turn door’s handle one quarter

turn clockwise.

2. Insert key into lock of door handle and turn key one

quarter turn clockwise. Remove key.

Additional force may be required to fully close and lock

the doors because they create a pressurized seal for the

generator enclosure.

WARNING Contact with muffler area could cause burns

resulting in serious injury.

• DO NOT touch hot parts and AVOID hot exhaust gases.

• Allow equipment to cool before touching.

A

D

B E

C

F

A

B

C

D

E

F

13

Screen Guard

To gain access to the engine and cooling system

components:

1. Remove two screws (A) and washers at top and

bottom of screen guard.

2. The screen guard will swing open to allow access to

the engine and cooling system components.

A

14

Operation

Battery

The installer must supply a valve-regulated, rechargeable

12 volt DC starting battery. See Battery in Final Installation

Considerations in the installation manual.

With the battery installed, all wiring to transfer switch and

generator completed, utility power supplied to the automatic

transfer switch, and the unit in AUTO mode, the battery

receives a trickle charge while the engine is not running. The

trickle charge cannot be used to recharge a battery that is

completely discharged.

15 Amp Fuse

The generator’s 15 Amp fuse is critical to correct system

operation. Your installer will ensure the fuse is properly

installed upon completion of the installation.

Engine Oil

The engine is shipped from the factory pre-run and filled

with non-synthetic oil (API SL 10W-30). This allows for

system operation in a wide range of temperature and

climate conditions. Before starting the engine, check oil

level and ensure that engine is serviced as described in the

Maintenance section.

Coolant System

This engine is shipped from the factory filled with a 50-50 mix

of automotive (Ethylene glycol) anti-freeze and water. This

will provide optimum year round protection against freezing,

boiling and corrosion. The coolant system incorporates an

optional water heater that operates with a fixed thermostat

set at 100°F - 120°F (39°C - 49°C) AND utility power is present

at the transfer switch. Before starting the engine, check

coolant level as described in the Maintenance section

Important Owner’s Considerations

WARNING Battery posts, terminals and related accessories

contain lead and lead compounds, chemicals known to the State

of California to cause cancer and reproductive harm. Wash

hands after handling.

NOTICE Any attempt to crank or start the engine before it has

been properly serviced with the recommended oil will result in

equipment failure.

• Refer to Maintenance section for coolant and oil fill information.

• Damage to equipment resulting from failure to follow this

instruction will void engine and generator warranty.

Wireless Monitor

The generator is supplied with a battery-powered, wireless

monitor.

The monitor communicates wirelessly with the generator

control panel.

Your installer will ensure the wireless monitor is

communicating with the generator control panel during the

installation process.

15

The generator’s control board constantly monitors utility

voltage. Should utility voltage drop below a preset level, the

control board will signal the engine to crank and start.

When utility voltage is restored above a preset voltage level,

the engine is signaled to shut down.

The actual system operation is not adjustable and is

sequenced by sensors and timers on the control board,

as follows:

Utility Voltage Dropout Sensor

• This sensor monitors utility source voltage.

• If utility source voltage drops below about 70 percent

of the nominal supply voltage, the sensor energizes

a 3 second timer. The timer is used to ‘sense’

brown-outs.

• Once the timer has expired, the engine will crank

and start.

Automatic Operation

Setting Exercise Timer

Utility Voltage Pickup Sensor

This sensor monitors utility voltage. When utility voltage is

restored above 80 percent of the nominal source voltage,

a time delay starts timing and the engine will go to engine

cool-down.

Engine Cool-down Timer

When utility power is sensed and the load transfers back to

the utility source, the engine will go into a cool down period

as described below:

• If the generator has run for MORE than 5 minutes,

once the utility transfer occurs, the engine will

continue to run for about 1 minute before shutting

down.

• If the generator has run for LESS than 5 minutes, once

the utility transfer occurs, the engine will continue to

run until 5 minutes has elapsed before shutting down.

The generator is equipped with an exercise timer. During the

exercise period, the unit runs for approximately 20 minutes

and then shuts down. Electrical load transfer DOES NOT

occur during the exercise cycle (unless an utility power

outage occurs).

The generator will only enter the exercise cycle if the unit

is in the AUTO mode and this exact procedure is followed.

To set the exercise timer:

NOTICE The generator is set with a service code exercise

cycle setting of Tuesday at 2:00 P.M, Central Time. To change

the cycle setting, proceed to the following steps:

1. Choose the day and time you want your generator to

exercise.

2. Press and hold the left arrow and right arrow

simultaneously for three seconds to enter the General

Set-Up program mode. See General Set-Up flow chart

in Menu Section.

3. Verify and/or set the time and date on the unit.

4. Go to the SET EXERCISE prompt and hit the “OK”

button.

NOTICE Items will flash until they are selected.

SELECT DAY: Use the left or right arrow to toggle

through the days of the week, Once the day is

selected, hit the “OK” button.

SELECT HOUR: Use the left or right arrow to toggle

through between 1 and 12. Choose the hour of day

you want the generator to exercise then hit the “OK”

button.

SELECT MINUTE: Use the left of right arrow to toggle

between :00 and :59. Choose the minute of the day

you want the generator to exercise then hit the “OK”

button.

SELECT AM/PM: Use the left of right arrow to toggle

between AM and PM. Once chosen, hit the “OK”

button.

NOTICE During the weekly exercise cycle, the generator will

run for 20 minutes, but it will not supply power to the home.

During the exercise cycle, the in-home monitor will continue

blinking the GENERATOR READY green LED.

If you want to change the day and time the unit exercises,

simply perform the procedure again.

To turn off the generator exercise cycle, go to the OFF

selection within the day of the week menu and press OK. The

display will then scroll: EXERCISE CYCLE OFF.

16

Maintenance

Before performing any generator maintenance, always

perform the following steps:

1. Set generator’s circuit breaker to its OFF position.

2. Press and hold the control board OFF button.

3. Remove 15 Amp fuse from control board.

4. Utility voltage is present at generator control board.

Disconnect power before servicing control board by

removing the fuses from the transfer switch.

5. After all servicing has been completed, replace fuses

in transfer switch, replace 15 Amp fuse in control

board, set circuit breaker ON and press and hold

control board AUTO button.

Servicing the System

The generator may have to run for long periods of time

with no operator present. For that reason, the system is

equipped with sensors that automatically shut down the

generator in the event of potentially damaging conditions,

such as low oil pressure, high temperature, over speed, and

other conditions.

The generator’s control board shows service code

descriptions scrolling across the digital display. The service

code descriptions are listed below:

• Low Battery Voltage

• Low Oil Pressure

• Under Voltage

• Over Voltage

• Engine Does Not Start

• Low Frequency

• Engine Overspeed

• High Oil Temperature

• Transfer Switch Service code

• No Wireless Communication

• Battery Charge Circuit

Reset Service code Detection System

The operator must reset the service code detection system

each time it activates. To do so, press the control board OFF

button for 5 seconds. Once the display turns off, leave it off

for at least 30 seconds. Remedy the service code condition,

then return the home generator to service by pressing and

holding the control board AUTO button and installing the 15

Amp fuse (if removed).

Low Battery Voltage

This service code is indicated by Low Battery Voltage scrolling

across the digital display and a single flash on the wireless

monitor. This condition occurs if the battery voltage drops

below the preset value. Causes for this problem may be a

service code battery or battery charge circuit. See Battery

Charge Circuit,

Remove the 15 Amp fuse and disconnect the battery from

the generator. Test the battery voltage. If voltage meets

specifications, take the battery to a local battery store for

analysis. Or contact your local service center for assistance.

Reinstall the battery (replace if necessary - see Battery in

Final Installation Considerations in the installation manual).

Then reset the service code detection system, as described

earlier.

Service Code Detection System

17

Low Oil Pressure

This service code is indicated by Low Oil Pressure scrolling

across the digital display and two flashes on the wireless

monitor. The unit is equipped with an oil pressure switch

that uses normally closed contacts held open by engine oil

pressure during operation. Should oil pressure drop below

the 8 psi range, switch contacts close and the engine will

shut down.

To remedy the low oil pressure condition, add the

recommended oil to the FULL mark on the dipstick.

If the low oil pressure condition still exists, the engine will

start, then shut down again. The service code code will

appear. In this case, contact an authorized dealer.

Under Voltage

This service code is indicated by Under Voltage scrolling

across the digital display and three flashes on the wireless

monitor. This condition is caused by a restriction in the

fuel flow, the electronic governing system not functioning

properly, a broken or disconnected signal lead, a failed

alternator winding, the control board circuit breaker is open,

or the generator is overloaded.

To remedy the problem, contact your installer or an

authorized dealer.

Over Voltage

This service code is indicated by Over Voltage scrolling across

the digital display and three flashes on the wireless monitor.

This feature protects devices connected to the transfer

switch by shutting the generator down if the generator

output voltage happens to increase above the preset limit.

This condition is most likely caused by a failed voltage

regulator, alternator excitation circuit or a load imbalance. To

remedy the problem, contact your installer or an

authorized dealer.

Engine Does Not Start

This service code is indicated by Engine Does Not Start

scrolling across the digital display and four flashes on the

wireless monitor. This feature prevents the generator from

damaging itself if it continually attempts to start in spite

of another problem, such as no fuel supply. Each time the

system is directed to start, the unit will crank for 10 seconds,

pause for 10 seconds, and repeat. If the system does not

begin producing electricity after approximately 2 minutes,

the unit will stop cranking.

The most likely cause of this problem is no fuel supply or

incorrect fuel selector setting. See Fuel Selection Switch in

the installation manual. Check the internal and external fuel

shut off valves to ensure they are fully open. Other causes

could be failed spark plug(s), a loose electronic governor

connection, a failed engine ignition, or the engine air filter

is clogged. You may need to contact your installer for

assistance if you can’t remedy these problems.

Low Frequency

This service code is indicated by Low Frequency scrolling

across the digital display and five flashes on the wireless

monitor. This feature protects devices connected to the

transfer switch by shutting the generator down if the engine

runs slower than 55 Hz for three seconds. This condition is

caused by a failed engine component, electronic govenor

system, or by excessive loads on the generator. To resolve

the problem, contact your installer or an authorized dealer.

Engine Overspeed

This service code is indicated by Engine Overspeed scrolling

across the digital display and six flashes on the wireless

monitor. This condition can be caused by a problem within

the electronic govenor system.

To resolve the problem, contact your installer or an

authorized dealer.

High Oil Temperature

This service code is indicated by High Oil Temperature

scrolling across the digital display and seven flashes on the

wireless monitor. The contacts of the temperature switch

are normally open. If the engine temperature exceeds a

predetermind temperature, the service code is detected and

the engine shuts down.

Common causes for this condition include running the unit

with an access door removed, obstructed air inlet or exhaust

port, or debris in the engine compartment or running unit

with roof open.

To resolve the problem, let the engine cool down and remove

any accumulated debris and obstructions. Ensure that the

access doors are installed and the roof is closed whenever

the unit is running. If problem persists, contact your installer

or an authorized dealer.

Transfer Switch Service code

This service code is indicated by Transfer Switch Service

code scrolling across the digital display (if transfer switch is

equipped with service code detection) and eight flashes on

the wireless monitor.

The most likely cause of this service code is a blown fuse in

the transfer switch. To remedy the problem, contact your

installer or an authorized dealer.

No Wireless Communication

This service code is indicated by No Monitor Communication

scrolling across the digital display. The SERVICE NEEDED red

LED on the wireless monitor will flash 20 fast pulses, pause

5 seconds, and repeat if there is a loss in communication

between the wireless monitor and the generator.

To resolve the problem, move the wireless monitor closer to

generator. Re-link if necessary.

Battery Charge Circuit

This service code is indicated by Battery Charge Circuit

scrolling across the digital display. The most likely cause is

an electrical problem with the control panel. To remedy the

problem, contact your installer or an authorized dealer.

18

Generator maintenance consists of keeping the unit clean.

Operate the unit in an environment where it will not be

exposed to excessive dust, moisture or any corrosive vapors.

Cooling air louvers on the enclosure must not become

clogged with snow, leaves, or any other foreign material. To

prevent generator damage caused by overheating, keep the

enclosure cooling inlets and outlets clean and unobstructed

at all times.

Check the cleanliness of the unit frequently and clean when

dust, dirt, oil, moisture or other foreign substances are visible

on its exterior/interior surface. Inspect the air inlet and outlet

openings inside and outside the enclosure to ensure air flow

is not blocked.

DO NOT use direct spray from a garden hose to clean

generator. Water can enter the engine and generator and

cause problems.

Generator Maintenance

Cleaning the Generator

1. Press and hold the control board OFF button.

2. Remove 15 Amp fuse from control board.

3. Clean generator as desired.

• Use a damp cloth to wipe exterior surfaces clean.

• Use a soft, bristle brush to loosen caked on dirt, etc.

• Use a vacuum cleaner to pick up loose dirt and debris.

• Use low pressure air (not to exceed 25 psi) to blow

away dirt. Inspect cooling air slots and openings on

the generator. These openings must be kept clean

and unobstructed.

4. Reinstall 15 Amp fuse in control board.

5. Press and hold the control board AUTO button.

NOTICE Improper treatment of generator can damage it and

shorten its life.

• DO NOT expose generator to excessive moisture, dust, dirt, or

corrosive vapors.

• DO NOT insert any objects through cooling slots.

Engine Maintenance

The maintenance of an engine and related components are

critical to its operating performance and lifespan. Industrial

engines operate in an environment that often include hot

and cold temperatures and extreme dust. The recommended

maintenance schedule is listed in this section, however,

environmental operating conditions and additional installed

equipment may require more frequent inspection and

servicing.

The owner and/or authorized service technician should

review the operating conditions of the equipment to

determine the inspection and maintenance intervals. Proper

engine cooling and lubrication are very important, so pay

particular attention to these matters.

The engine is shipped from the factory pre-run and filled

with non-synthetic oil (API SL 10W-30). This allows for

system operation in a wide range of temperature and

climate conditions.

Engine Oil

Synthetic Oils

Synthetic oils have been available for use in industrial

engines for a relatively long period of time and may offer

advantages in cold and hot temperatures. However, it is not

known if synthetic oils provided operational or economic

benefits over conventional petroleum-based oils in industrial

engines.

Use of synthetic oils does not permit the extension of oil

change intervals.

19

Oil Recommendation

HOT WEATHER

COLD WEATHER

SAE 10W-30

PREFERRED

SAE 15W-40

FOR THE BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST

SAE VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE

IF NEITHER SAE 10W-30

NOR SAE 15W-40 GRADE

OILS ARE AVAILABLE, SAE

30 GRADE MAY BE USED AT

TEMPERATURES ABOVE 4

DEGREES C (40F), SAE 40

GRADE AY BE USED AT

TEMPERATURES ABOVE 27

DEGREES C (80F).

DO NOT USE SAE 10W-40

GRADE OIL OR ANY OTHER

GRADE NOT RECOMMENDED

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS

40°F (4°C)

Select an engine oil viscosity that will best match the

prevailing daytime temperature.

The oil must meet GM specification 9986231. Motor oils

meeting this specification receive the API (American

Petroleum Institute) starburst symbol.

It is noted that the GF-4 oils are also “backwards compatible”

and are equal or better that previous grades of oil in all

aspects.

Checking Engine Oil Level

NOTICE It is important to be careful when checking engine oil

level. Oil must be maintained between “ADD” and the “FULL”

mark on the dipstick. To ensure that you are not getting a

false reading, make sure the following steps are taken before

checking the oil level.

1. Stop engine.

2. Set control board system switch to OFF.

3. Remove 15 Amp fuse from control panel.

4. Allow approximately five minutes for the oil to drain

back into the oil pan.

5. Remove the dipstick. Wipe with a clean cloth or paper

towel and reinstall. Push the dipstick all the way into

the dipstick tube.

6. Remove the dipstick and note the amount of oil on the

dipstick. The oil level must be between the “ADD” and

“FULL” marks.

7. If the oil level is below the “ADD” mark, reinstall the

dipstick and proceed to step 8.

8. Remove the oil filler cap from the valve cover.

9. Add the required amount of oil to bring the level up to,

but not over the “FULL” mark on the dipstick. Reinstall

the oil filler cap to valve rocker arm cover and wipe

any excess oil clean.

20

Changing Engine Oil

KEEP OUT OF REACH OF CHILDREN. DON’T POLLUTE.

CONSERVE RESOURCES. RETURN USED OIL TO

COLLECTION CENTERS.

Change oil while the engine is still warm from running.

1. Press and hold the control board OFF button.

2. Remove 15 Amp fuse from control board.

3. Place oil drain hose (B) into an approved container.

4. Open valve (A) located on bottom of oil pan.

C

B

Shown here is the oil drain hose (B) and the oil filter location

(C) for the 48kW generator:

To make the task of adding oil more convenient, we

recommend use of a funnel attached to a length of tubing long

enough to reach from the Coolant Fill door to the oil fill opening

on the engine valve cover.

5. When oil has drained, replace brass fitting on hose.

6. Add the required amount of oil to bring the level up to,

but not over the “FULL” mark on the dipstick. Reinstall

the oil filler cap to valve rocker arm cover and wipe

any excess oil clean.

7. Reinstall 15 Amp fuse in control board.

8. Press and hold the control board AUTO button.

CAUTION Avoid prolonged or repeated skin contact with used

motor oil.

• Used motor oil has been shown to cause skin cancer in certain

laboratory animals.

• Thoroughly wash exposed areas with soap and water.

A

Engine V-Belts

The engine installed in this equipment uses drive belt(s) that

drive the water pump and alternator. The drive belt(s) are an

integral part of the cooling and charging system and should be

inspected according to the maintenance schedule.

When inspecting the belts, check for:

• Cracks

• Chunking of the belt

• Splits

• Material hanging loose from the belt

• Glazing, hardening

If any of these conditions exist, the belt should be replaced.

C

B

A

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