F20 code stating "No water or Insufficient water supply".
Possible solutions/areas to look at:
· Check the inlet screens where the hose connects to washer. Make sure it’s clean.
· Check height and length of discharge hose. If it goes into a "standard" height wall box, a sagging drain hose can make the tank siphon on the final spin. Wind the drain hose around some of the clips on the back of the washer, decreasing the sag in the discharge hose to almost nothing.
· Check to see if there is a tiny hole in the pressure switch hose-happens from the drum rubbing on the hose.
· Lastly, it may be the water inlet valve has failed. It’s fairly common. You can search for it online and put it in yourself. It’s pretty simple to do. Whirlpool part number 8540751
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