Operation Manual

Troubleshooting
26
Fault Possible cause Remedial action
Door stops when opening Connected light barrier interrupted and
DIP switch 1 on ON
Eliminate interruption or set DIP switch 2 to OFF.
Drive does not close door Power supply to light barrier
interrupted.
• Check connection
• Replace fuse
Power supply to drive interrupted The rst command issued after restoration of the mains supply
results in the drive opening the gate fully.
Drive opens door but then no further
reaction to a command given via push-
button or hand-held transmitter
Safety input tripped
(e.g. light barrier defective)
• Remove obstacle from light barrier
• Repair light barrier
• Direct socket unit not plugged in correctly
End switch “Door CLOSED” in the
trolley defective
Replace end switch.
The drive closes the door; subsequently
no response to pressing of button or
hand-held transmitter
End switch “Door OPEN” in the trolley
defective
Replace end switch.
Connected warning lamp does not
light up
Fuse defective Replace fuse, see chapter “Maintenance and care – changing
fuses (connecting warning lamp)”.
Bulb defective
Replace bulb, see chapter “Maintenance and care – changing bulbs”.
Opening or closing speed varies Drive starts slowly and then picks up
speed
'Soft run' mode – completely normal.
Chain rail dirty Clean rail and re-lubricate, see chapter “Maintenance and care –
cleaning chain and drive unit rail”
Chain rail lubricated with unsuitable oil Clean rail and re-lubricate, see chapter “Maintenance and care –
cleaning chain and drive unit rail”.
Incorrect chain tension Tighten chain; see chapter “Installation – pre-installation”.
Drive does not terminate 'Learn'
sequence
End positions set incorrectly Adjust end positions, see chapter “Commissioning – setting door
OPEN + CLOSED end positions”.
Only radio receiver!
All LEDs ashing
All memory positions are occupied
(max. 112)
• Delete all hand-held transmitters no longer in use
• Install additional radio receiver.
LED 3.1 or 3.2 is continuously on Radio signal is being received;
hand-held transmitter button might be
defective.
• Remove battery from the hand-held transmitter
• Wait until the external signal decays.
LED 3.1 or 3.2 is on Radio receiver is in 'teaching' mode
and expects a code signal from a hand-
held transmitter.
Press desired button on hand-held transmitter.