Error 11 temperature monitoring

Subfault: 11.1

Description: Heat sink overtemperature

 

Response: Output stage inhibit

Cause

Measure

Air circulation disrupted. Maximum permitted heat sink temperature exceeded.

– Check air circulation.

– Ensure sufficient cooling.

Fan defective. Maximum permitted heat sink temperature exceeded.

Contact SEW‑EURODRIVE Service.

The temperature sensor is defective. Maximum permitted heat sink temperature exceeded.

Contact SEW‑EURODRIVE Service.

The capacity utilization is too high. Maximum permitted heat sink temperature exceeded.

– Reduce the load.

– Reduce the PWM frequency.

– Reduce the ambient temperature.

Subfault: 11.2

Description: Heat sink utilization – prewarning

 

Response: Heat sink utilization – prewarning

Cause

Measure

Air circulation disrupted. Prewarning threshold reached.

– Check air circulation.

– Ensure sufficient cooling.

Fan defective. Prewarning threshold reached.

Contact SEW‑EURODRIVE Service.

The temperature sensor is defective. Prewarning threshold reached.

Contact SEW‑EURODRIVE Service.

Air convection is unfavorable.

Check air convection.

High thermal load on heat sink of device. Prewarning threshold reached.

– Reduce the load.

– Reduce the PWM frequency.

– Reduce the ambient temperature.

Subfault: 11.3

Description: Device utilization

 

Response: Output stage inhibit

Cause

Measure

The mean output current is too high. The device utilization has reached or exceeded the switch-off threshold.

– Reduce the load.

– Check motor/inverter combination.

The PWM frequency is too high. The device utilization has reached or exceeded the switch-off threshold.

Reduce the PWM frequency.

The ambient temperature is too high. The device utilization has reached or exceeded the switch-off threshold.

Reduce the ambient temperature.

Air circulation disrupted. The device utilization has reached or exceeded the switch-off threshold.

– Check air circulation.

– Ensure sufficient cooling.

Fan defective. The device utilization has reached or exceeded the switch-off threshold.

Contact SEW‑EURODRIVE Service.

Subfault: 11.5

Description: Electromechanical capacity utilization

 

Response: Output stage inhibit

Cause

Measure

Electromechanical components of device overloaded by excessive continuous current.

Reduce the load.

Subfault: 11.6

Description: Electromechanical capacity utilization – prewarning

 

Response: Electromechanical capacity utilization – prewarning

Cause

Measure

High load on electromechanical components of device due to high continuous current. Prewarning threshold reached.

Reduce the load.

Subfault: 11.7

Description: Wire break at temperature sensor of heat sink

 

Response: Output stage inhibit

Cause

Measure

Wire break at temperature sensor of heat sink.

Contact SEW‑EURODRIVE Service.

Subfault: 11.8

Description: Short circuit at temperature sensor of heat sink

 

Response: Output stage inhibit

Cause

Measure

There is a short circuit on the heat sink's temperature sensor.

Contact SEW‑EURODRIVE Service.

Subfault: 11.9

Description: Overtemperature of signal electronics

 

Response: Output stage inhibit

Cause

Measure

Maximum permitted signal electronics temperature exceeded.

– Reduce the load.

– Reduce the ambient temperature.

Subfault: 11.10

Description: Wire break at temperature sensor of signal electronics

 

Response: Output stage inhibit

Cause

Measure

Wire break at temperature sensor of signal electronics.

Contact SEW‑EURODRIVE Service.

Subfault: 11.11

Description: Short circuit at temperature sensor of signal electronics

 

Response: Output stage inhibit

Cause

Measure

Short circuit at temperature sensor of signal electronics.

Contact SEW‑EURODRIVE Service.