Hi i have a moffat washer and when i go to wash the tub fill's up but never stops no matter what level i put the water on it just keeps filling hope someone can help me out the machine is about 9 or 10 year's old
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Re: washer fills and won't stop just overfill's
The water level is controlled by the pressure switch. It will be located behind the load level selector knob inside the operator console. The way MOST pressure switches are designed, they will have an electrical connector plug and a rubber hose attached. Unplug the washer and remove the back panel of the console and verify if the plastic air hose is still attached to the switch. It is common for this hose to fall off over time due to vibration or develop cracks. If the hose is not attached, the pressure switch will not detect the change in pressure from the wash tub as it fills and the water will not shut off. The tub will continue to fill until it overflows. The same is true if you have a bad electrical connection. Remove the connector and check the terminals to make sure they are clean. If any of these preliminary checks do not work, replace the pressure switch. If your washer is not configured this way, please post back with your model number so I can attempt to verify. I hope this helps you.
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Your water level has a reset on the panel? You need to drain all the water out of the tub and turn the water level to the lowest setting. Now start the fill and watch the water come up. It may be that it needs to be looked at but it is just a hose on the side of the tub that fills and air pressure registers in the control panel that stops the water filling.
Your water level switch could be defective. This switch has a plastic 1/4 hose connected from your tub to the switch. (should be easy to find.) Make sure this hose is connected to your tub and switch and the line has no holes. It is easy to test the switch by disconnecting the line from the tub and while water is flowing into your washer, Blow into the line. The pressure will stop the water flow. If not, Bad level switch. Level switch part# W10339333 http://www.on-timeappliance.com/washingmachinerepair.html
Check behind water level switch for a clear plastic vacuum line that attaches to level switch It attaches to the bottom of tub on the other end. As the tub fills , pressure fills the tube up to the level switch and turns off the water at the desired level
If this tube comes off it won't cut off at any level (overfills)
for using FixYa. Overfilling in your washer occurs mainly due to two things:
water inlet valve going bad and/or the water level switch. If the water inlet
valve has gone bad it won’t be able to shut off even when the electricity has
been turned off. If the issue is with the water level switch then it won’t tell
the water to shut off and the machine will overflow as this switch is to sense
the water level in the clothes tub. However, with that being said it seems that
you’ll need to replace the water inlet valve. Please do rate the solution if
the issue is resolved or post a comment for further assistance. Thanks Rylee
A machine that overfills or underfills can often have a faulty water level switch. It's a diaphragm like device with a small plastic tube attached between the switch and the bottom of the washer's outer tub. As the water level increases, so does the pressure on the air in the plastic tube and when it reaches a certain level, it activates the switch to shut off the water. Make sure there is no damage to or obstruction in the plastic tube. The switch can be tested using a multimeter or ohmmeter. Check for continuity. A lack of continuity means a bad switch. Really sorry for your trouble and I hope this helped. Best wishes.
If water is overflowing and you disconnect power to the machine. then:
A. It continues to fill: Replace water fill valve. (the part the fill hoses screw onto)
B. It stops filling: Most likely has a plugged tube from the tub to the water level switch.
Sounds like it could be a faulty water level switch. A defect or an obstruction can mean that it can't tell the water to shut off. This switch raises the water level in the clothes tub. It's usually a diaphragm like device with a small clear plastic tube attached between the switch and the bottom of the washer's outer tub. As the water level rises, the pressure increases on the air in the plastic tube. When the pressure reaches a certain level, it activates the switch and turns off the water. It also signals the washer to begin the wash cycle. Clean out any obstruction in the plastic tube or replace the water level switch. Hope this helped.
It sounds like you are trying to use the largest water level setting. If this is correct you may have a pressure switch problem.
First turn the timer to spin and get all of the water out, that start a washer cycle with the water level set to the small or low setting and see if the washer fills to this level. if it stops at the low level great Now if it continues to fill and does stop you may need a pressure switch or the hose needs to be replaced that runs from the tub to the pressure switch.
Now set at the medium level and try again. does it stop or over fill?
If it over fills you probably need a pressure switch however before you purchase this, make sure the hose is in good condition one pin hole will cause your overfill condition.