When a Whirlpool Dishwasher Won't Drain

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The Whirlpool Corporation, headquartered in Benton Charter Township, Michigan, produces consumer appliances. It offers both built-in and portable dishwashers. A common issue amongst all of these dishwashers is that they don’t drain properly. You can commonly fix this problem without any outside assistance. Always disconnect your Whirlpool dishwasher from the power supply when working on it, to reduce the risk of shock.

Power/Motor

  • If your Whirlpool dishwasher stopped draining mid-cycle, check your circuit breaker or fuses. The cycle won’t complete if the power is interrupted. Reset the circuit breaker if tripped, or change out any blown fuses. Fully close the dishwasher door, and restart the cycle if you opened up the door. If you have not used the dishwasher in a while, the motor may be stuck. Open up the main housing, and rotate the motor until it turns freely. You must replace the motor if it’s corroded or won’t move since it’s unlikely that you can fix it.

Pump

  • The pump is located underneath the lower rack and spray arm. This component is responsible for pumping water out of the dishwasher once the cycle is complete. If the pump isn’t working, verify that it is not clogged with debris. Use a toothpick or plastic utensil to remove food particles from it. Check the pump impeller. If a section of it is broken, get a new pump since the impeller is difficult to fix.

Clogs

  • Clogs in the air gap or drainage hose prevent water from leaving the tub. Clean these components and the water inlet filters, if dirty. Examine the drainage hose, and straighten it if it’s kinked. If the hose is badly crushed, you must replace it. Unscrew the drainage hose from the dishwasher to clean it, but reattach it before you restart the cycle. Run the food waste disposer if it’s connected to your Whirlpool dishwasher. Remove the knockout plug from the disposer if you have just installed the disposer or dishwasher.

Drain Valve/High Drain Loop

  • Whirlpool dishwashers have drain valves with an internal solenoid. This valve opens and closes to drain water out of the tub. If the drain valve is stuck, lubricate the lever, and remove any debris clogging the valve. Remove any objects that are preventing the drain valve from freely opening and closing. If the valve is not working properly, you must replace it. Always install a high drain loop to prevent water from the sink entering your dishwasher. Create a loop of the drainage hose that is at least 18 inches high. Attach this hose beneath a section of cabinetry.

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