Troubleshooting - Hisense WFU7012 Service Manual

9. TROUBLESHOOTING

7 HEATING ERROR
NO MOTOR SPEED
8
FEEFBACK ERROR
TEMPERATURE
9
SENSOR ERROR
MOTOR SCR SHORT
10
CIRCUIT ERROR
♦ The heater is out of order.
Give an alarm after the washing course ends
♦ The rotation speed is not set as 0, but no rotation speed is
detected within 3s or the rotation speed is below 20rpm, 5
attempts
♦ Detect the AD value of water temperature sensor
abnormal in successive 2 seconds（AD≤5 或≥250）
♦ The rotation speed is not set as 0, but the measured
rotation speed>set rotation speed+80, and last for 3
seconds;
♦ The rotation speed is set as 0, but the rotation speed rises
rather than declines, exceeding 10 turns within 3 seconds;
29