Water level switch damaged 77

Analysis and Repair: Suspected malfunction of the water level switch. Remove the water level switch and use a multimeter R1 range to measure the resistance between ① and ③. While measuring, blow hard into the air inlet of the water level switch with your mouth. Carefully listen for any "drip pop" sound. The measured resistance is infinitely high (it should normally be 0Ω), indicating that the internal vibrating membrane spring contact of the water level switch is damaged.

Sanyo Washing Machine After-sales Service Case: Continuous water inflow (water level switch damaged)

Fault Symptoms: After turning on, the machine can automatically fill with water, but after reaching the highest water level, the solenoid valve cannot stop automatically, and the motor does not start.

Beijing Sanyo Washing Machine Repair Telephone Editor.

Solution: After replacing the water level switch, the washing machine returned to normal operation.