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37
Faults
Display: "F" and code
Code
Fault description
Fault causes and fault correction
DI / FI closing speed is too high.
Switch control off and on.
Replace drive unit if necessary.
Internal FI communication fault.
Switch control off and on.
Replace FI drive unit if necessary.
Low voltage in the DC voltage sink.
Execute fault clearance trough movement
command.
Check mains input voltage.
Change slope durations/speeds.
Excess voltage in the DC voltage link.
Check mains input voltage.
Execute fault clearance trough movement
command.
Change slope durations/speeds.
Temperature limit exceeded.
Check for overload of the drive unit.
Cool down the drive unit and reduce the number
of cycles.
Permanent current overload.
Check for overload of the drive unit.
Check the door mechanism for stiffness or
weight.
Brake / FI fault.
Check brake; replace if necessary.
If problem recurs, replace drive unit.
Collective indication for FI.
Execute fault clearance trough movement
command.
Replace drive unit if message is continually
displayed.
At initial operation minimum travel distance was
not completed.
Move the door for at least 1 second.