My dishwasher won't drain. How can I tell if I have a bad pump? I removed the pump. The impeller seems to operate correctly.
Answer Hello Kin,
If you can put 120Vac on the pump and it runs, you will either have a clog in the drain or a screen or you have a bad control that is not sending voltage to the drain pump. We could assist further in the diagnosis with the model number from the units' I.D. tag.