What does an error code e 20.
The E20 means that the water is not pumping out fast enough. You will want to check the following:
1. Check the drain hose for restrictions. Restriction, correct problem. No restriction, go to step (2).
2. Start the washer and check for 120VAC at the drain pump. Zero, replace the Main Control Board. 120VAC, remove the pump and check it for blockage. If blocked, remove the restriction, if not, replace the pump.