Anonymous posted an answer for this Whirlpool Duet GHW9150P Front Load Washer:
"My Whirlpool Duet Sport washer wll not drain. It gives an F-21 error message. I checked..."
Anonymous posted an answer for this Whirlpool Duet GHW9150P Front Load Washer:
"Great solution. One additional suggestion: For our machine, the 3 screws were not 1/4 inch..."