(You will need to get rid of the EXCESS WATER FIRST) by lowering the drain hose into a bowl when flow has stopped
now find clean out the drain filter (old towels for spillage)
remove lower hoses check for part/blockage
remove clean out the drain pump chamber
test the pump operation
(a replacement pump maybe required)
wirecutterman
April 2009
Automatic Answer
We may have found other answers which could help you.