31
TF was triggered
SEW Eurodrive · MOVIFIT-FC Inverter
What does 31 mean?
The TF (Thermal Fault) input has been triggered. This indicates that an external thermal protection device, such as a motor thermistor, has detected an over-temperature condition and activated the fault input.
Common Causes
- Timed Function (TF) triggered an error condition.
- Configuration error in the Timed Function parameters.
- TF sequence executed incorrectly or prematurely.
- External event causing TF to trip.
- Parameter P0024 (timed function) logic failed.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the external thermal protection device and the component it monitors for over-temperature conditions.
- 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