Teresa D Manning , ND January 05, 2015 Washer displayed f20 error code water was entering the machine and left water in bleach compartment after all loads (with or without bleach) I replaced the water intake valve after determining that the flow meter was turning. I ran the diagnostics test and determines that although water was entering the machine it was not entering fast enough. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes