While you wait for answers, we may have found some information which could help you.
Click here for Red Light ValveWhirlpool classic awm 325 washing maching ?
Whirlpool AWO/D 4505?
How do I remove sop dispense from machine to clean it ?
How can I mend my whirlpool washing machine?
My whirlpool washer keeps stopping and SAYS HF why ?
WM5140S Washing machine problem?