8
Service
Fault table standard
Operating Instructions – MOVIMOT
®
flexible
248
Subfault: 29.4
Description: Limit switches swapped
Response: Emergency stop + output stage inhibit
Cause
Measure
Positive hardware limit switch approached at neg-
ative speed, or negative hardware limit switch ap-
proached at positive speed.
Check whether hardware limit switch connections
are swapped.
8.6.23
Fault 30 Software limit switches
Subfault: 30.1
Description: Positive limit switch hit
Response: SW limit switches – current drive train
Cause
Measure
Positive software limit switch hit.
– Check software limit switch position.
– Check target position.
– Move clear of software limit switch with nega-
tive speed.
Subfault: 30.2
Description: Negative limit switch hit
Response: SW limit switches – current drive train
Cause
Measure
Negative software limit switch hit.
– Check software limit switch position.
– Check target position.
– Move clear of software limit switch with positive
speed.
Subfault: 30.3
Description: Limit switches swapped
Response: Emergency stop + output stage inhibit
Cause
Measure
Position value of negative software limit switch
greater than position value of positive software
limit switch.
Check software limit switch positions.
8.6.24
Fault 31 Thermal motor protection
Subfault: 31.1
Description: Temperature sensor wire break – motor 1
Response: Application stop + output stage inhibit
Cause
Measure
Connection to temperature sensor of motor 1 in-
terrupted.
Check the temperature sensor wiring.
29128668/EN – 12/2019
