101
PwrDn NVS Blank
Allen-Bradley · PowerFlex 750 AC Drive
What does 101 mean?
This fault indicates an internal data error within the non-volatile storage (NVS), often occurring after a flash update attempting to correct a Fault 117. This suggests a corruption issue within the drive's internal memory. The drive's internal data is compromised, potentially leading to unstable operation or incorrect parameter handling if unresolved.
Complete Troubleshooting Guide
- 1
Reset parameter defaults. Refer to publication 20HIM-UM001 for detailed instructions.
- 2
Reload drive parameters from a backup or re-enter them manually.
- 3
If the problem persists after resetting and reloading, replace the main control board.