Service manual

6-9. Motor-related Error

1) E5 (DC-Link High Voltage) Error

① In case DC-link voltage to IPM increases to 450V or higher

② Motor operation is stopped and 'E5' is shown in display window.

③ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

④ Error display is cleared when turning off/ on power.

2) E6 (EMG) Error

① In case current detected with EMG port is of 20A or higher

② Motor operation is stopped and 'E6' is shown in display window.

③ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

④ Error display is cleared when turning off/ on power.

3) E7 (Direction) Error

① In case signal of Hall IC is different from the predicted signal according to direction of rotation

② Motor operation is stopped and 'E7' is shown in display window.

③ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

④ Error display is cleared when turning off/ on power.

4) E8 (Initial Operation Fail) Error

① In case input signal of Hall IC is abnormal due to problems in motor connection, etc.

② Motor operation is stopped and 'E8' is shown in display window.

③ Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

④ Error display is cleared when turning off/ on power.

6-10. Error in Temperature Sensor

1) H2 Error - Washing temperature sensor open/ short

① In case washing temperature sensor is defective or not connected

② Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

③ Error display is cleared when turning off/ on power.

2) H4 Error - Washing temperature sensor overheating

① In case temperature detected by washing temperature sensor is 95℃ or higher

② Error buzzer alarm is sounded for 10 seconds per every 10 minutes.

③ Error display is cleared when turning off/ on power.