Rockwell Automation 1398-DDM-xxx ULTRA 100 Series Drives Installation Manual - Manual (Page 189)

Publication 1398-5.2 – PDF 1997
Maintenance and Troubleshooting 11-7
Commutation Angle Error 25 Bad encoder Replace encoder or motor/
encoder. Check wiring of motor
encoder index signal.
RESERVED 26
RESERVED 27
No Motor Selected 28 No motor was selected when
the drive was enabled. Select a motor before enabling
the drive.
Motor Information Miss-
ing 29 The motor number is refer-
encing a motor that is not
currently in the drive. Select a motor that is in the
drive.
Update the motor tables in the
drive (contact the factory).
RESERVED 30-99 Call the factory.
Table 11.1: Troubleshooting Guide (continued)
Problem or Symptom Error
Code Possible Cause(s) Action/Solution