GE dishwasher not draining - leaving bottom full of water

Dishwasher Repair
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1

My dishwasher isn’t draining completely it’s leaving the whole bottom full of water. Took off all houses and cleaned them out (not blocked) put back together, ran garbage disposal, ran rinse cycle still water (not more water, same amount) I hear it running/draining, also checked the bottom blocking the drain. Any thoughts on what it could be or what to test next?

3

Remove and check the drain pump and the flapper valve (#328 at the Replacement parts for General Electric PDW7880J03SS Dishwasher | AppliancePartsPros.com.

Do you have an air gap installed on top of the sink?

Here are the breakdown diagrams and [URL="http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5212486)

Gene.