8
Service
Fault/error table
Operating Instructions – MOVIMOT
®
flexible
238
Subfault: 29.3
Description: Limit switch missing
Response: Emergency stop + output stage inhibit
Cause
Measure
Both positive and negative hardware limit
switches approached at the same time.
– Check hardware limit switch wiring.
– Check the parameter setting of digital inputs.
– Check the parameter setting of process output
data.
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 approached
Response: SW limit switches – current drive train
Cause
Measure
Positive software limit switch approached.
– Check software limit switch position.
– Check target position.
– Move clear of software limit switch at negative
speed.
Subfault: 30.2
Description: Negative limit switch approached
Response: SW limit switches – current drive train
Cause
Measure
Negative software limit switch approached.
– Check software limit switch position.
– Check target position.
– Move clear of software limit switch at 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.
29129451/EN – 12/2019
