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Frigidaire Dishwasher overflowing

If your Frigidaire dishwasher is overflowing, start with the most likely cause: a bad water inlet valve that is stuck open or not shutting off fully. A Frigidaire dishwasher that overfills with water or has a dishwasher water level too high can also have a main control board or control board problem that keeps sending power to the valve when it should stop. If water seems to be coming out near the door, check the lower wash arm assembly too, since a cracked wash arm can spray water out the bottom and look like a dishwasher overflowing issue. After that, rule out too much or the wrong detergent, which can cause oversudsing and leaking, then inspect the float switch or safety float if the tub keeps filling past the normal level. On some units, water dripping into the tub when the dishwasher is off is another strong clue that the inlet valve has failed. Enter your Frigidaire model number on RepairClinic.com to find the exact water inlet valve, main control board, control board, lower wash arm assembly, or float switch that fits your dishwasher.

01 - Frigidaire Dishwasher Water Inlet Valve

The water inlet valve is an electrically-controlled valve that opens to allow water to enter the dishwasher. Depending on the model, the valve stays open either for a set length of time or until the dishwasher has enough water. However, if the water inlet valve doesn’t shut off after the dishwasher has enough water, the dishwasher will overflow. If water drips into the dishwasher when the door is open, or if water collects at the bottom of the dishwasher while it is not use, you may need to replace the water inlet valve.
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02 - Frigidaire Dishwasher 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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03 - Frigidaire Dishwasher Lower Wash Arm Assembly

If the lower wash arm has a crack or split on the side it can cause water to splash out the bottom of the door, giving the impression that the dishwasher is overflowing. Inspect the wash arm assembly for any damage and replace if necessary.
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04 - Wrong type or incorrect amount of detergent

Make sure to use the proper dishwasher detergent. Use the proper amount of detergent for your water hardness; too much soap in soft water can cause oversudsing and leaking.
Common

05 - Frigidaire Dishwasher Control Board

A dishwasher's 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 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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Common

06 - Frigidaire Dishwasher Float Switch

The float switch actuates in order to prevent the dishwasher from overflowing. If the float switch is defective or stuck, it might not stop the dishwasher from overflowing. If the float switch is defective, replace it.
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Common

Frequently Asked Questions

Why is my Frigidaire dishwasher overflowing with water?
How do I tell if the Frigidaire dishwasher water inlet valve is bad?
Can a float switch cause a dishwasher to overfill?
Why does my Frigidaire dishwasher look like it is overflowing, but water is leaking from the door?
How do I find the right Frigidaire dishwasher overflow part for my model?

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