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Washer Overflowing

The part(s) or condition(s) listed below for the symptom Washer overflowing are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

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Most Frequent Causes for Washer overflowing

For the most accurate results, enter your model number.


Cause 1Water Inlet Valve

Try shutting off power to the washer while the machine is filling with water. If the washer continues to fill with water even when it is not getting power, this indicates that the water inlet valve is defective. If the water inlet valve is defective, replace it.

Parts
Cause 2Pressure Switch

The pressure switch shuts off power to the water inlet valve when the proper water level is reached. If the pressure switch fails, the water inlet valve will continue to fill the washer tub with water, causing the washer to overflow. Before replacing the pressure switch, check the air tube to the pressure switch to ensure that it is clear of debris and is not leaking.

Parts
Cause 3Low Water Pressure from House Supply

The water pressure to the water inlet valve might be too low. The water inlet valve requires a minimum of 20 psi to shut off properly. If the water inlet valve does not get enough pressure, the valve may not close fully after the power is shut off. As a result, water can leak into the washer and cause it to overflow. If you have a whole house filter it may be clogged and the filter needs to be replaced. If the water pressure is low at all the faucets You may need to call your local water supplier to determine if the water pressure is sufficient.

Cause 4Control Board

A washer control board with a shorted component may send continuous voltage to the water inlet valve, causing the washer to overflow. You can inspect the board for signs of burning or a shorted-out component or use a multimeter to test the power output terminals on the board after reviewing the appliance's wiring diagram. Some washer control boards will have a built-in pressure sensor used to determine how much water to allow into the tub. A defective control board pressure sensor may allow too much water to fill the tub resulting in the washer overflowing. You can use a multimeter to test for appropriate changes in electrical continuity to help determine if the component is defective. If the pressure sensor is faulty, the entire control board will need to be replaced.

Parts
Cause 5Boot Seal Retaining Ring

Boot Seal Retaining Ring

Parts
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