Remove the front bottom access panel. Using a shallow pan to catch the water, unscrew the filter from the drain pump and clean it.
Perform the washer maintenance procedure, using
Affresh, as described in the
Owner's guide (page 20).
Check the pressure hose between the pressure switch (#23 at the
diagram). Blow some air through the hose to make sure it's clean.
If it would not fix the problem, replace the pressure switch.
- The pressure switch
Part number: W10163980 
Gene.