22
CPU fault
SEW Eurodrive · MOVIFIT-FC Inverter
What does 22 mean?
An internal CPU fault has occurred within the unit. This indicates a general internal processing error, which might be transient or indicate a more serious hardware issue.
Common Causes
- CPU power-on self-test (POST) failure.
- Initialization sequence of CPU components failed.
- CPU instruction execution error.
- Illegal instruction encountered.
- Parameter P0001 (drive object ID) related CPU fault.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Reset the fault by switching off the DC 24 V supply voltage.
Verified technical data. Last updated: March 2026
Related Faults
Source: SEW Eurodrive MOVIFIT-FC Inverter