45
Initialization
SEW Eurodrive · MCBSM
What does 45 mean?
Immediate switch-off with inhibit due to an error during the inverter's initialization process. This suggests an internal fault preventing the unit from starting up correctly, indicating a fundamental problem with the inverter's internal state.
Common Causes
- Error occurred during the drive's initialization or startup sequence.
- Power-on self-test failed to complete successfully.
- Invalid configuration parameters prevent proper initialization.
- External signal preventing safe startup.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Cycle power to the inverter and attempt a restart.
- 2
If the fault persists, contact SEW Service for advice, as this may indicate an internal hardware or firmware issue.
Verified technical data. Last updated: March 2026
Related Faults
Source: SEW Eurodrive MCBSM