!!
critical Allen
Error Code F040
Phase W to Gnd fault (between drive and motor).
? What Causes This
Likely grounding problems or poor quality connections in the phase circuit.
✓ How to Fix It
- Conduct tests similar to F038 & F039 for this phase: check wiring, examine motors thoroughly. Replace faulty components as needed.
Source: page 162 of the official manual
From the manual
This error code appears in:
Allen Bradley Powerflex 525