If your Admiral dishwasher is not draining and you’re left with standing water in the tub, start with the most common cause: clogged sump filters. A blocked coarse filter or fine filter in the sump can restrict water flow and lead to a dishwasher clogged drain problem. Next, check the drain pump, since a failed pump motor or damaged impeller can keep the dishwasher water not draining at the end of the cycle. After that, look at the control board, which sends power to the drain pump, then inspect the drain impeller, drain solenoid kit, and drain valve for breakage, debris, or failure to actuate. In many cases, an Admiral dishwasher not draining issue comes down to one of these parts stopping water from moving through the drain hose to the sink drain or garbage disposer. If your dishwasher drain pump is not working, or you need a new filter, control board, drain valve, or drain solenoid kit, enter your model number on RepairClinic.com to find the exact replacement part that fits your specific Admiral dishwasher.
01 - Clogged Sump Filters
The sump assembly, located at the bottom of the dishwasher tub, contains the pump motor or motors to both circulate and drain the water. There are usually two filters in this assembly to strain food particles: a course filter and a fine filter. If the filters are clogged, the unit will get low water flow and poor washability. To clean filters, remove them from the sump and wash them with soap, warm water, and brush. If the filters are damaged, they should be replaced.
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02 - Admiral 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.
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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.
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.
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.