Maytag DW Does not clean dishes

Please make sure to click on General above and select the correct appliance type first.

Brand:
Model Number:MDB4949SKZ2
Main Symptom: dishes not clean
What happens & when:

Error Code (if any):E4-and F8
Parts or tests already tried:
Photos / video link:

Hello, can you give me more information, please? Does it fill with water? Does the wash motor come on? Any information would help.

Daughter’s DW. Error codes came up and alarm beeps at 20 second intervals. Before this occurred, the washer appeared to be working but the dishes were not being cleaned properly. Maytag Model MDB4949SKZ2.

Do you need any additional info?

She was told it needed a circulation or base pump by a repairman and APP.