90
Assignment of motor – inverter incorrect
SEW Eurodrive · MOVIMOT MM..C
What does 90 mean?
This fault indicates a mismatch or incorrect combination between the motor and the inverter, such as pairing an MM03 inverter with a DT71D4 motor, which is not a supported configuration.
Common Causes
- Incorrect assignment or combination of motor and inverter (e.g., MM03 – DT71D4).
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the combination of motor and inverter for compatibility according to SEW documentation.
- 2
Verify the assignment of the motor to the inverter.
- 3
Switch off the 24 VDC supply voltage to reset the fault.
- 4
Issue a reset command via MOVILINK®.
Verified technical data. Last updated: March 2026
Related Faults
Source: SEW Eurodrive MOVIMOT MM..C