Error code Description Cause/Remedy
F.766
Internal encoder error
• High level of environmental interference
• Faulty encoder
• Encoder power supply problem, e.g. battery flat
F.850
Collective input fault The device connected to the input is reporting a problem
F.910
Internal EMERGENCY STOP
triggered
Defective hardware
F.922
Emergency stop transistor defective
• Defective hardware
• Fuse F1 defective
F.927
Hardware testing of the open, close
or safety transistors failed
Defective hardware
F.931
Internal control unit error during
ROM test
Defective hardware
F.932
Internal control unit error during RAM
test
Defective hardware
F.970
Internal access error on non-volatile
memory (EEPROM)
• Defective hardware
• Rectify EMC fault
• Reset P.991 profile
E.020
Running time exceeded in close dir-
ection
• Current motor running time has exceeded set maximum running time ,
P.415 (travel in the CLOSE direction), P.419 (in dead-man mode)
• Door stiff or blocked
• During use of mechanical limit switches, one of the limit switches has not
triggered
E.021
Running time exceeded in the open
direction
• Current motor running time has exceeded set maximum running time,
P.410 (travel in the OPEN direction), P.419 (in dead-man mode)
• Door stiff or blocked
• During use of mechanical limit switches, one of the limit switches has not
triggered
E.031
Direction of rotation of the drive dif-
ferent to expected rotation direction
Motor direction of rotation reversed in relation to calibration
E.080
Maintenance is necessary
• Maintenance counter has expired
E.115
Stop command engaged for too long
• Defective button
• Stop, no travel possible
E.116
Drive command "Close" engaged for
too long
• Defective button
• Stop, no travel possible
E.117
Drive command "Open" engaged for
too long
• Defective button
• Not possible to close door
E.320
Obstacle blocking travel
• Door or drive is blocked
• A limit switch has triggered on drives with mechanical limit switching
E.335
Wicket door switching uneven
• Wicket door switch error
E.341
Pull-in safety device OPEN triggered Pull-in safety device OPEN triggered
E.342
Pull-in safety device OPEN and
CLOSE triggered
Pull-in safety device OPEN and CLOSE triggered
50
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