06
Phase failure
SEW Eurodrive · MOVIFIT-FC Inverter
What does 06 mean?
A phase failure has been detected in the supply system. This fault indicates a loss of one or more phases in the input power supply, and it is detectable only when the drive is operating under load. Continued operation with a phase failure can damage the motor or inverter.
Common Causes
- One or more phases missing in the incoming power supply.
- Faulty connection of power cables to the drive.
- Internal power supply module failure.
- Motor connection phase issue.
- Power fuse blown in one of the phases.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the supply system cables for missing phases.
- 2
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