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Dishwasher not draining

01 - Clogged Sump Filters
There is usually a course and fine filter. If they are clogged, you will get low water flow and poor washability. To clean filters, remove them and wash with soap, warm water, and brush. If the filters cannot be cleaned effectively or if they are damaged, they will need to be replaced.
02 - Dishwasher Drain Pump
The drain pump uses an impeller to force water through the drain hose. If the drain pump motor is not working, the dishwasher won’t drain. To determine if the drain pump is defective, check the pump motor for continuity using a multimeter. If the motor does not have continuity, or if is getting power but won’t run, replace the drain pump. Drain pumps are not repairable—if the drain pump is defective, you must replace it.
Required Part
Dishwasher Drain Pump
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Most Common Solution
03 - Dishwasher Control Board
A dishwasher's control board provides power to nearly every electrical component in the dishwasher. A faulty board may be unable to supply power to the drain pump, preventing it from drawing the water out of the tank and forcing it through the drain hose to the garbage disposal or sink drain pipe.
Required Part
Dishwasher Control Board
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Most Common Solution
04 - Dishwasher Drain Impeller
The drain impeller pushes water through the drain hose and into the garbage disposer or drain line. If the impeller is broken, replace it.
Required Part
Dishwasher Drain Impeller
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Most Common Solution
05 - Dishwasher Drain Solenoid Kit
The drain solenoid opens the drain valve to allow the water to exit the dishwasher. If the drain solenoid fails the valve will not open causing the dishwasher not to drain.
Required Part
Dishwasher Drain Solenoid Kit
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Most Common Solution
06 - Dishwasher Drain Valve
Over time, the drain valve can get clogged with debris. To ensure that water can flow through the drain valve, clean out the valve. If the drain valve is clear of debris but it still won’t actuate, replace it. Drain valves are not repairable—if the drain valve is defective, you must replace it.
Required Part
Dishwasher Drain Valve
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Most Common Solution