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HomeRepair HelpWasher RepairWasher overflowing Repair

Washer overflowing

If your washer is overflowing or overfilling with water, shut off the washer’s power and water supply before troubleshooting. The most likely cause is a defective water inlet valve. To test it, disconnect power while the washer is filling. If water continues entering the tub, the valve is stuck open and should be replaced. A leaking detergent dispenser or dispenser water valve can also cause the washer to keep filling, especially when water drips or flows through the dispenser continuously. Next, check the main control board or control board, which may send constant voltage to the water inlet valve because of a shorted component. Low household water pressure can prevent the inlet valve from closing fully, so check other faucets and replace a clogged whole-house filter if needed. A faulty pressure switch, clogged or leaking pressure hose, or blocked air dome can also prevent the washer from sensing the correct water level. These problems can cause a washing machine to overflow, a washer to keep filling with water, or water levels to rise too high. Enter your model number to find the exact replacement part for your specific washing machine.

01 - Washing Machine Detergent Dispenser

Since most detergent dispensers use a water valve to flush the detergent or other additives into the washer, a leaking dispenser water valve can cause the washer to overflow. If water is constantly dripping or flowing into the dispenser and the water valves are part of the detergent dispenser the dispenser will need to be replaced.
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Top Solution

02 - Washing Machine Water 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.
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Top Solution

03 - Washing Machine Main Control Board

A dishwasher's main control board provides power to nearly every electrical component in the dishwasher. If the control board continues to send power to the water inlet valve during the drain cycle, the dishwasher could overflow. While this is not that common of a problem, you can inspect the board for signs of burning or a shorted-out component. You can also use a multimeter to test the water inlet valve for incoming power during the dishwasher's cycle.
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Top Solution

04 - Low Water Pressure from House Supply

The water inlet valve requires good water pressure to shut off properly. If the home's water pressure is too low, 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.
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05 - Washing Machine Pressure 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.
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Highly Likely

06 - Washing Machine Control Board

Since a washing machine control board provides voltage to nearly all of the washer's electrical components, a 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 and use a multimeter to test the power output terminals on the board after reviewing the appliance's wiring diagram. Some washing machine control boards will have a built-in pressure sensor used to determine how much water to allow into the tub. The control board pressure sensor monitors the amount of water entering the tub dur...ing the fill cycle and will shut off voltage to the water inlet valve when the water has reached the proper level. 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 t
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Common

07 - Washing Machine Boot Seal Retaining Ring

The boot seal retaining ring is the component used to secure the door boot seal on front-load washing machines. If the retaining ring is broken or missing, the boot seal can become dislodged and allow water to overflow and leak out through the door during operation. Inspect the boot seal retaining ring for damage and replace if necessary.
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Uncommon But Possible

Frequently Asked Questions

Why is my washer overflowing or overfilling with water?
Why is my washing machine filling with water when it is turned off?
Can low water pressure cause a washer to overflow?
How do I test the pressure switch if my washer keeps filling with water?
How do I find the correct replacement part for an overflowing washer?

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