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Frigidaire Dishwasher Not Cleaning

PLD2850RDC2

The part(s) or condition(s) listed below for the symptom Dishwasher not cleaning are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.

Most Frequent Causes for Dishwasher not cleaning

Cause 1Water Inlet Valve

The water inlet valve opens to allow water to enter the dishwasher. If the valve is clogged or defective, the dishwasher won’t get enough water to clean dishes properly. If the water inlet valve is clogged, replace it. Do not attempt to clean the water inlet valve—cleaning the valve could make it more likely to fail.

Part Testing
Parts
Water Inlet Valve for your FrigidaireDishwasher
Water Inlet Valve - Part # 1378823 Mfg Part # 154637401

Dishwasher water inlet valve. The water inlet valve supplies water to the dishwasher. If the water inlet valve is defective, the dishwasher may not fill or may underfill.

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Cause 2Lower Wash Arm Assembly

The lower wash arm circulates water to the dishes in the lower rack. If water can’t flow properly through the lower wash arm, the dishes in the lower rack won’t be cleaned properly. Over time, food particles can get trapped in the tiny holes in the wash arm. If your dishes are coming out dirty, the wash arm might be clogged. To unclog the lower wash arm, remove the wash arm and dislodge any debris from the holes. If the wash arm is extremely clogged, replace it.

Parts
Lower Wash Arm Assembly for your FrigidaireDishwasher
Lower Wash Arm Assembly - Part # 1531180 Mfg Part # 154608102
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Cause 3Circulation Pump

The circulation pump uses a motor and impeller to force water up through the wash arms. If the circulation pump is defective, the dishes won’t be cleaned properly. If the motor isn’t making any noise or is just making a humming sound after the dishwasher has filled, the motor may be burned out. First, ensure that power is getting to the motor. Second, to ensure that the impeller can turn, check the pump housing for debris. If power is getting to the motor and the pump is clear of debris, the motor might need to be replaced. Be aware that the circulation pump may be challenging to replace, although many do-it-yourselfers have been successful with the replacement.

Parts
Circulation Pump for your FrigidaireDishwasher
Circulation Pump - Part # 1940277 Mfg Part # 154859101

Dishwasher circulation pump motor with wash impeller, wire harness & o-ring seals. Poor washing and noise during operation are indications of a circulation pump problem.

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Cause 4Upper Wash Arm Spinner

The upper wash arm circulates water to the dishes in the upper rack. If water can’t flow properly through the upper wash arm, the dishes in the upper rack won’t be cleaned properly. Over time, food particles get trapped in the tiny holes in the wash arm. If your dishes are coming out dirty, the wash arm might be clogged. To unclog the upper wash arm, remove the wash arm and dislodge any debris from the holes. If the wash arm is extremely clogged, replace it.

Parts
Upper Wash Arm Spinner for your FrigidaireDishwasher
Upper Wash Arm Spinner - Part # 4456334 Mfg Part # 5304506516

Dishwasher upper wash arm (or spray arm). 9 inches, gray, plastic. The upper spray arm circulates water to the dishes in the upper rack. The spray arm can get clogged with food particles over time. If the spray arm is clogged, the dishes in the upper dishrack may not come out clean.

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