51
Fault on the frequency converter
These fault indications appear only for door drive units with a frequency inverter.
Cause of the fault Fault correction
Display alternates between F and number
6.1
The closing speed is too high.
Check the door mechanism for stiffness.
Only for doors with counter-balancing: check for spring
fracture.
Replace door drive unit if
6.2
Internal communication fault of
frequency inverter.
Switch the door control off and on.
Check connection cable to limit switch.
Check the connection cable and the plug for firm seating.
Replace door drive unit if necessary.
6.3
Low voltage in the DC voltage link.
Measure the voltage during door movement.
Check mains supply.
Change ramp times / speeds.
P
4.1
P 4.9
6.4
Excess voltage in DC voltage link.
Measure the voltage during door movement.
Check mains supply.
Change ramp times / speeds.
P
4.1
P 4.9
6.5
Temperature limit exceeded.
Door drive unit overloaded.
Check for excessive ambient temperature.
Allow door drive unit to cool and reduce number of cycles.
6.6
Permanent current overload.
Check the door mechanism for stiffness.
6.7
Fault of brake / frequency inverter
Replace door drive unit if necessary.
6.9
Collective indication for
Switch the door control off and on.
Replace door drive unit if necessary.
Faults when setting the final limit positions
Cause of the fault Fault correction
Display alternates between F and number
8.1
When setting the final limit positions,
the travel distance was smaller than
the smallest possible.
When resetting the final limit positions, move the door for at
least one second before storing the position.
Reset door control to factory setting (P 9.5).
Notice! All settings will be lost!
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