11
Thermal overload of output stage or internal unit fault
SEW Eurodrive · MOVIMOT Field Distributor
What does 11 mean?
The output stage of the inverter or an internal unit component has experienced a thermal overload. This could be due to inadequate cooling, high ambient temperatures, or excessive load, potentially indicating an internal fault.
Common Causes
- Blocked or dirty heat sink, impeding heat dissipation.
- High ambient temperature surrounding the unit.
- Insufficient ventilation or heat accumulation around the drive.
- Excessive load on the drive system.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Clean the heat sink to ensure proper airflow and heat dissipation.
- 2
Reduce the ambient temperature in the vicinity of the unit.
- 3
Ensure adequate spacing and ventilation to prevent heat accumulation around the unit.
- 4
Reduce the mechanical or electrical load on the drive.
- 5
Reset the fault by switching off the 24VDC supply voltage or using MOVILINK.
Verified technical data. Last updated: March 2026
Related Faults
Source: SEW Eurodrive MOVIMOT Field Distributor