Danfoss Vacon NXP Applications Manual page 130

128 · vacon
F31 IGBT temperature
IGBT Inverter Bridge overtemperature protection has detected too high a short term overload
current.
Possible cause:
- Too high a load.
- Identification run has not been made, which causes the motor to start undermagnetised.
Correcting measures:
- Check the load.
- Check the motor size.
- Make an Identification Run.
F32 Fan cooling
Possible cause:
- Cooling fan of the AC drive does not start when ON command is given.
Correcting measures:
- Contact your local distributor.
F37 Device change
Option board or power unit is changed.
Possible cause:
- New device of same type and rating.
Correcting measures:
- Reset. The device is ready for use.
F38 Device added
Option board is added.
Correcting measures:
- Reset. The device is ready for use. Old board settings will be used.
F39 Device removed
Possible cause:
- Option board is removed.
Correcting measures:
- Reset. The device is no longer available.
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Fault codes