Check that the hoses behind the washer (supply hoses and drain hose) are not kinked. Run an empty cycle with no additives (detergent, fabric softener, etc.) and see if suds appear during the cycle. If they do, it means too much detergent or a non-HE detergent has ...
If you need to reset a Whirlpool washer, particularly a Duet model, begin by unplugging the washer for 30 seconds to see if it will reset. If that doesn't resolve the problem, you can then enter the diagnostic mode for the machine to check for error codes. If either F9E1 or SUDS err...