12. Troubleshooting
Feature
Possible cause
Solution/elimination
The drive stops
immediately after
the start command
The drive does not
start to move
The door opens but
does not close
completely
No response to
radio signals from
the remote control
The drive runs, but
the door does not
open
The garage door is locked.
Unlock the garage door
The mechanical elements or
guide rails are not correctly
installed
Correct the installation
according to the manual, if
necessary
The device for the automatic
switch-off is not adjusted correctly
Correct the switch-off
according to the manual
Continuous run time/operating
clearance exceeded
Do not exceed the continuous run
time (see technical data)
Springs too tight or worn (no
tension)
Loosen or replace springs
No power supply to the drive
Check and if necessary
established mains connection
No mains voltage at the connectio
Check the fuse for the circuit
An obstacle is blocking the door
Remove the obstacle
The times for opening or
closing are not correct
Correct the times according
to the instructions
The force of the drive is not
correctly adjusted
Correct the force according
to the instructions
The battery is low or empty
Replace the battery
The remote control is not set up or
not properly set up
Set up the remote control as
per the instructions
The radio codes have been deleted
Set up the remote control again as
per the instructions
The emergency release is triggered
Move the lever for the emergency
release to the horizontal position
The chain is incorrectly tensioned
Tension the chain according
to the instructions
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