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Internal faults of the door control / force monitoring
Cause of the fault Fault correction
Display alternates between F and number
3.7
Internal plausibility error.
The mains supply of the door
control is incorrect.
The voltage fluctuates.
Measure the input voltage. Check the fuses of the supply line.
Establish a stable power supply.
Measure the voltage under load. Measure the voltage at the
motor connector. Establish a stable power supply.
Check the connection cable and the plug for firm seating.
4.1
Force monitoring triggered.
Check the door mechanism for damage.
Check whether a wind load acts on the door.
Check the spring tension.
5.0
Fault of the controller.
Switch the door control off and on.
Replace the door control if necessary.
5. 1
ROM fault.
Switch the door control off and on.
Replace the door control if necessary.
5.2
CPU fault.
Switch the door control off and on.
Replace the door control if necessary.
5.3
RAM fault.
Switch the door control off and on.
Replace the door control if necessary.
5.4
Internal fault.
Fault 3.7 was detected five times in a
row.
3.7
Switch the door control off and on.
the door control 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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