Fault 44 Subcomponent power section

Subfault: 44.2

Description: Overcurrent phase U

 

Response: Remote – critical fault

Cause

Measure

Acceleration too high.

Reduce the acceleration.

A short circuit occurred.

– Remove the short circuit on the motor connection.

– Check the motor phases.

There is a problem with the output filter.

– Activate the output filter when starting up of the drive train.

Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

The connected motor is too large.

Connect a smaller motor.

Subfault: 44.3

Description: Overcurrent phase V

 

Response: Remote – critical fault

Cause

Measure

Acceleration too high.

Reduce the acceleration.

A short circuit occurred.

– Remove the short circuit on the motor connection.

– Check the motor phases.

There is a problem with the output filter.

– Activate the output filter when starting up of the drive train.

Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

The connected motor is too large.

Connect a smaller motor.

Subfault: 44.4

Description: Overcurrent phase W

 

Response: Remote – critical fault

Cause

Measure

Acceleration too high.

Reduce the acceleration.

A short circuit occurred.

– Remove the short circuit on the motor connection.

– Check the motor phases.

There is a problem with the output filter.

– Activate the output filter when starting up of the drive train.

Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

The connected motor is too large.

Connect a smaller motor.