81
Troubleshooting
Problems,
Possible Causes
and Corrective
Actions
The following table identifies some common system problems, t h eir possible
causes and recommended corrective actions. However, the configuration of your
installation may create other reasons, and consequently other corrections, for the
problem.
Continued on next page
Problem Possible Causes Corrective Actions
No
communication
with PC
- Wrong cable used.
- Cable plugged into wrong
position in drive or PC.
- Wrong PC interface selected.
- Check cable.
- Plug cable into the correct
sockets on the drive and PC.
- Select correct interface.
Motor does not
rotate - Drive not enabled.
- Break in SERCOS fiber optic
cable.
- Motor phases swapped.
- Brake not released.
- Motor is mechanically blocked.
- Motor pole number set
incorrectly.
- Feedback set up incorrectly.
- Apply enable signal
- Check cable
- Correct motor phase sequence
- Check brake control
- Check mechanism
- Set motor pole number.
- Set up feedback correctly.