When the machine is overfilling , it means that there is a problem with the inlet valve (valve not closing) or with the water level switch, that should turn off the valve when water reaches level.
See the suggestion from
It's overfilling at repairclinic:
It's overfilling
If your washer is overfilling, check these:
Water-inlet valveWater-level switch
Water-inlet valve
A
defect in the water-inlet valve may mean that it's no longer able to
shut off completely when the electricity has been turned off to it. If
this occurs, the valve may leak and drip water into the clothes tub. In
time, the water may accumulate substantially. If this happens, you need
to replace the valve.
Water-level switch
A
defect--or an obstruction--in the water-level switch may mean that it
can't tell the water to shut off. So the machine overflows. This switch
senses the water level in the clothes tub. It's usually a diaphragm
device with a small, clear tube attached between the switch and the
bottom of the washer's outer tub. As the water level in the tub
increases, the pressure on the air in the tube increases. When the
pressure reaches a certain level, it activates the switch, shuts off
the water, and signals the timer to begin the agitate cycle. You can
either clear any obstruction in the tube or replace the water-level
switch.
Hi vest6,
I spoke to a repair person today and they said to replace the water inlet valve. I would think that if the valve was bad, the water would leak into the tub. If the coil had opened, then the water would not come in at all.
Do you know the voltage output from the water level switch to the water inlet solenoids? I'm still thinking it's the water level switch, but I am going to check the output from the water level switch before I replace it or the inlet valve. Do you know what output I should look for in terms of voltage AC/DC?
Follow up..
I took the machine apart and I think the plastic hose between the tub and the water level switch came off. It was off when i saw it and I was being as easy I could at taking the top off.
I turned the washer on so it would run water in. I blew into the plastic tub and the water would stop coming in and the wash cycle would start. I reattached the tube after cutting a small piece off as it had gotten swollen and would easily slide on and off. Ran 3 complete cycles and so far no more overfilling.
Thanks vest6 for the information!!
Maytag Model PAV3300AWW washer. Tube from water level sensing switch comes loose from washer tub. Reconnecte loose tube and the washer works fine. This tube has come loose twice, it seems to be made of a silicon rubber and has a tendency to come off of the washer tub nipple. The hardest part was figuring out how to get inside the washer. Just put a flat bladed screwdriver in the crack, between the front of the lid deck and the front face panel. Two friction locks hold the lid down. Pry open the lid, carefully, and then reach inside and reconnect the loose water fill sensor tube. Tube is held in place by a spring clamp. Check the clamp to make sure it is doing its job.
4th Time the Hose has come loose. The Third time I tried clipping about 1/4" off the end of the tube, as it seems to have streached. Then I made sure the spring clip was in the proper place to hold the hose to the tub's nipple. Since this tube is made of Silicon Rubber, I know of no glue that will adhere to it. My next attempt will be to get a longer hose so that there is more slack and less tugging on the hose by the washer tub.
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