Fault 1 Output stage monitoring

Error: 1.1 (0101hex | 257dec)

Description: Overcurrent at motor output terminals

 

Response: Output stage inhibit

Cause

Measure

Short circuit at the motor output.

– Check the motor cable for a short circuit.

– Rectify the short circuit.

Power output stage defective.

Contact SEW‑EURODRIVE Service.

Motor current too high.

Connect a smaller motor.

Error: 1.2 (0102hex | 258dec)

Description: Overcurrent in output stage

 

Response: Output stage inhibit

Cause

Measure

Motor current too high.

Connect a smaller motor.

Current controller of intelligent power supply module set incorrectly.

Contact SEW‑EURODRIVE Service.

Ramp time too short.

Increase the ramp time.

One of the following components is faulty:

– Internal current supply

– Current measurement

– Phase module

Contact SEW‑EURODRIVE Service.

The external DC 24 V supply voltage is unstable.

Check the DC 24 V supply voltage.

The voltage fluctuations are too strong. The current controller of the intelligent power supply module cannot compensate for them.

– Stabilize the voltage.

– Check the supply.

– Check the project planning.