Fault 44 Power section subcomponent

Error: 44.1 (2C01hex | 11265dec)

Description: Error at switched-mode power supply

 

Response: Remote – critical fault

Cause

Measure

Switched-mode power supply in power section is faulty.

Contact SEW‑EURODRIVE Service.

Error: 44.2 (2C02hex | 11266dec)

Description: Overcurrent phase U

 

Response: Remote – critical fault

Cause

Measure

The connected motor is too large.

Connect a smaller motor.

Acceleration too high.

Reduce the acceleration.

A short circuit has 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 during startup of the drive train.

– Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

Error: 44.3 (2C03hex | 11267dec)

Description: Overcurrent phase V

 

Response: Remote – critical fault

Cause

Measure

The connected motor is too large.

Connect a smaller motor.

Acceleration too high.

Reduce the acceleration.

A short circuit has 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 during startup of the drive train.

– Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

Error: 44.4 (2C04hex | 11268dec)

Description: Overcurrent phase W

 

Response: Remote – critical fault

Cause

Measure

The connected motor is too large.

Connect a smaller motor.

Acceleration too high.

Reduce the acceleration.

A short circuit has 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 during startup of the drive train.

– Check assignment of output filter and inverter.

Output stage defective.

Contact SEW‑EURODRIVE Service.

Error: 44.5 (2C05hex | 11269dec)

Description: Supply voltage fault at gate driver

 

Response: Remote – critical fault

Cause

Measure

Faulty supply voltage for gate drivers for phases U, V, W.

– Switch device off and back on again.

– If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.

Phase module not ready for operation.

– Switch device off and back on again.

– If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.

Error: 44.6 (2C06hex | 11270dec)

Description: Fault in supply voltage at gate driver for brake chopper

 

Response: Remote – critical fault

Cause

Measure

Faulty supply voltage of gate driver for brake chopper.

– Switch device off and back on again.

– If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.

Brake chopper not ready for operation.

– Switch device off and back on again.

– If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.

Error: 44.7 (2C07hex | 11271dec)

Description: Hardware fault

 

Response: Remote – critical fault

Cause

Measure

The hardware of the power section has detected a fault. It is not possible to pinpoint the fault.

– Switch device off and back on again.

– If the fault occurs repeatedly, contact SEW‑EURODRIVE Service.