DCU1-NT-OP
14
Fault messages
5 Fault messages
5.1 TPS/DPS
Display
keypad programme switch
Designation Display
display programme switch
– – – – – No operating voltage
– – – x x Drive too hot 45, 46, 48, 75, 78
– – x – x Position 26, x.x
– – x x – SIS 13, 19
– – x x x Motor 10, 11, 12, 71, 72
– x – – x Activation longer than 4 min 35, 36, 37, 38, 39, 40
– x – x x Security interlocking door sys-
tem, vestibule
33
– x x – – Rechargeable battery 61
– x x x – Opening time too long 64
x – – – x Alarm 07, 08, 32, 42, 44
x – – x x DCU104 50
x – x – – SIO, BO 27, 29, 41
x x – – – Mains power failure 03
x x – – – Control unit 01, 02, 28, 47, 60, 63, 65, 70, 77, 79
x x x – – Lock 16, 17, 18, 51
5.2 MPS/MPS-ST
If a fault occurs in the system, this is indicated by the LED lighting up permanently.
XNotify a service technician.
6 What to do if...?
Problem Cause Remedy
Door only opens and
closes slowly
Floor guide area dirty XDisconnect power supply (emergency control or on-site
safety fuse).
XClean oor guide area.
Obstruction in travel path XRemove obstruction and check door leaf for ease of move-
ment.
Closing safety sensor (SIS) interrupt-
ed or misaligned
XClean closing safety sensor (SIS) (light barrier).
XCheck settings of light curtain.
Door opens and closes
constantly
Obstruction in sliding path, e.g. stone
in oor guide area
XDisconnect power supply (emergency control or on-site
safety fuse).
XClear obstruction and clean oor guide area.
Light beams or reections, e.g.
reective oor, drops of rain, plants
/ ower pots, posters/displays or
similar in the scanned area of the
movement detector
XCheck detection eld of movement detectors.
Misaligned movement detector XCheck detection eld of movement detectors.
Door only opens a crack Obstruction in travel path XRemove obstruction and check door leaf for ease of move-
ment.
Door does not open Obstruction in travel path XRemove obstruction and check door leaf for ease of move-
ment.
Movement detector misaligned or
defective (inside and/or outside)
XCheck movement detector.
Operating mode "Night", "OFF" XSelect another operating mode.
"Shop closing" operating mode XSelect "Automatic" operating mode.