49
Faults
Display: "F" and digit
Code Fault description Fault causes and fault correction
Activation of safety edge 8k2.
Check whether the safety edge is correctly
functioning.
Check whether the connection cable has a short
circuit.
Safety edge 8k2 defective.
Check whether the safety edge is correctly
functioning.
Check whether the connection cable is
connected.
Activation of safety edge 1k2.
Check whether the safety edge is correctly
functioning.
Check whether the connection cable is
connected.
Safety edge 1k2 defective.
Check whether the safety edge is correctly
functioning.
Check whether the connection cable has a short
circuit.
1k2 testing is negative.
Testing is activated in the lower final limit
position.
Check pre-limit switch (with NES "S5").
Optical safety edge system has been activated
or is defective.
Check whether the safety edge is correctly
functioning.
(DES)
OPEN emergency limit switch reached.
In the voltage-free state, move the door back via
emergency manual operation.
(NES)
OPEN or CLOSE emergency limit switch
reached.
Emergency manual operation has been
activated.
Thermal protection of the motor has tripped
Limit switch system has changed over from NES
to DES without the control being reset.
Check OPEN/CLOSE emergency limit switch.
Check emergency manual operation.
Check drive unit for overload or stalling.
Reset of control via menu item "9.5".
(DES)
CLOSE emergency stop switch reached.
In the voltage-free state, move the door back via
emergency manual operation.
(NES)
Faulty activation of the “S5” pre-limit switch.
Check the “S5” pre-limit switch for correct
functioning and setting.
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