8
Service
Fault/error table
Operating Instructions – MOVIMOT
®
flexible
248
8.6.29 Fault 42 Lag error
Subfault: 42.1
Description: Positioning lag error
Response: Positioning lag error
Cause Measure
A lag error occurred during positioning.
Incorrect encoder connection.
Check the connection of the encoder.
Position encoder inverted or not installed cor-
rectly at the track.
Check the installation and connection of the posi-
tion encoder.
Wiring faulty. Check the wiring of encoder, motor, and line
phases.
Acceleration ramps too short. Extend the acceleration ramps.
P component of the position controller too small. Set P component of the position controller to a
larger value.
Speed controller parameters set incorrectly. Check controller parameters.
Value of lag error tolerance too small. Increase the lag error tolerance.
Mechanical components cannot move freely or
are blocked.
Make sure mechanical parts can move freely, and
check whether they are blocked.
Subfault: 42.2
Description: Jog mode lag error
Response: Output stage inhibit
Cause Measure
A lag error occurred in jog mode (FCB20).
Incorrect encoder connection.
Check the connection of the encoder.
Position encoder inverted or not installed cor-
rectly at the track.
Check the installation and connection of the posi-
tion encoder.
Wiring faulty. Check the wiring of encoder, motor, and line
phases.
Acceleration ramps too short. Extend the acceleration ramps.
P component of the position controller too small. Set P component of the position controller to a
larger value.
Speed controller parameters set incorrectly. Check controller parameters.
Value of lag error tolerance too small. Increase the lag error tolerance.
Mechanical components cannot move freely or
are blocked.
Make sure mechanical parts can move freely, and
check whether they are blocked.
29129451/EN – 12/2019
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