Daewoo KUD-UD121DCR, Service Manual

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6-9. Motor-related Error
1) E5 (DC-Link High Voltage) Error
ῡ
In case DC-link voltage to IPM increases to 450V or higher
ῢ
Motor operation is stopped and 'E5' is shown in display window.
ΰ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ῤ
Error display is cleared when turning off/ on power.
2) E6 (EMG) Error
ῡ
In case current detected with EMG port is of 20A or higher
ῢ
Motor operation is stopped and 'E6' is shown in display window.
ΰ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ῤ
Error display is cleared when turning off/ on power.
3) E7 (Direction) Error
ῡ
In case signal of Hall IC is different from the predicted signal according to direction of rotation
ῢ
Motor operation is stopped and 'E7' is shown in display window.
ΰ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ῤ
Error display is cleared when turning off/ on power.
4) E8 (Initial Operation Fail) Error
ῡ
In case input signal of Hall IC is abnormal due to problems in motor connection, etc.
ῢ
Motor operation is stopped and 'E8' is shown in display window.
ΰ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ῤ
Error display is cleared when turning off/ on power.
6-10. Error in Temperature Sensor
1) H2 Error - Washing temperature sensor open/ short
ῡ
In case washing temperature sensor is defective or not connected
ῢ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ΰ
Error display is cleared when turning off/ on power.
2) H4 Error - Washing temperature sensor overheating
ῡ
In case temperature detected by washing temperature sensor is 95
ᴱ
or higher
ῢ
Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
ΰ
Error display is cleared when turning off/ on power.