I repaired clothes washing machine today. Water was just dribbling into tub. Found plenty of water at the hose where it enters washing machine. With hose off and glasses on, extra light, and a magnifying lens I was able to see the water filter screen where the hose connects to the machine was plugged.
I was able to clean most of the contaminant out using a small screwdriver and an old tooth brush.
Now plenty of water flows into the washer tub in a beautiful proportional waterfall.