Question about Maytag PAV2300 Top Load Washer

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Maytag washer model # LAT8714A over fills

How do I determine if the overfill problem is caused by the water level valve or the water level switch?
If the switch is the problem, where is it located and how do I replace it?
Thanks

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An overfill caused by a failed valve will occur even if the machine is unplugged. Trace amounts of debris from your plumbing etc or even a deterioration of valve parts themselves can cause it to pass water while off. This can be as slow as a drip but given time it will overflow. Water level switches are by necessity highly reliable parts and when they do fail they usually "fail safe" in other words not allow any current to the water valve. Overfills that are not due to a bad water inlet valve are usually traceable to a pinched, plugged or disconnected air hose. The location of the switch varies. Sometimes it's right behind the water level knob. On others like front loaders it's inside the machine, usually above the tub and at the end of a length of clear plastic tubing.

Maytag washer model # LAT8714A over fills - 290805b.jpg a931590.jpg

Posted on Jan 29, 2008

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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The Water Inlet Valve on your washing machine is used to fill the tub with cold, warm or hot water for the wash and rinse cycles. The valve is operated by electric solenoids that are controlled by the timer or electronic control board and the water level control/water level selector switch or pressure switch. If your washer continues to fill during a cycle, the water inlet valve could be at fault. To verify that the valve is at fault, unplug the washer when the symptom occurs. If the washer continues to fill, then the water inlet valve is defective. If the washer stops filling, then the problem is related to the electrical circuit that controls the valve. The water level switch is a pressure activated switch that is used to determine the correct water level in the tub. This part is normally located behind the control panel and will have a hose or air dome tube that connects it to the tub. On washers that use an electronic control, this switch may be located at the sump area below the tub. As the water fills in the tub it will compress the air in the tube and push against a diaphragm inside the switch. The switch will control the water inlet valve and turn the valve off at the correct water level. If the tube has a leak or is plugged, not enough pressure may be created to activate the switch and the washer may overfill. If the switch is defective it may also cause the machine to overfill.
To determine if the switch is bad, you should first eliminate the air dome hose as a problem. Look for signs of cracks or worn areas on the hose. Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well. If the air dome hose appears to be ok, then the water level pressure switch may be defective. Inspect the switch for signs of a mechanical defect or debris plugging the hole in the inlet nipple. To test the switch contacts for continuity with a multi-meter, you will need to apply the proper amount of air pressure to the air dome tube and then look for the switch to go open circuit at that level. The easiest way to do this is to start the washer and allow it to fill to the normal level and then remove the power cord. Locate the pressure switch and remove the wires from the correct terminals and then perform the continuity test. There should be infinite resistance or an "open circuit" when the water level is correct. If not, then the switch is defectiv

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1 Answer

I am getting an FH Error Code. The water fills fine but I think it is overfilling because the water level reaches about half way up the door and triggers the FH error. I start the drain and spin cycle...


Washer fills with water and overflows:

The water pressure level switch is a pressure activated switch that is used to determine the correct water level in the tub. This part is normally located behind the control panel and will have a hose or air dome tube that connects it to the tub. On washers that use an electronic control, this switch may be located at the sump area below the tub. As the water fills in the tub it will compress the air in the tube and push against a diaphragm inside the switch. The switch will control the water inlet valve and turn the valve off at the correct water level. If the tube has a leak, not enough pressure may be created to activate the switch and the washer may overfill. If the switch is defective it may also cause the machine to overfill. To determine if the switch is bad, you should first eliminate the air dome hose as a problem. Look for signs of cracks or worn areas on the hose. Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well. If the air dome hose appears to be ok, then the water level switch may be defective.

You can test it with a meter and with a manual test? ( first locate it in the panel, it has a plastic clear tube hose going into it, remove that tube from its connection, now put another small tube or hose into the slot where it was and have the machine set to wash cycle with water in it. Blow into the other end of the tube.
If the machine starts to wash. the pressure switch is more than likely good
( No wash- then THE DIAPHRAGM IS BAD AND SWITCH HAS TO BE REPLACED).


The other item to check would be your water inlet valve. Check it for continuity with a multi meter it should show Ohms or a closed circuit. To test it when water is overflowing unplug the unit and see if it still overflows or continues to fill. If it stops when unplugged. Then it is not a water inlet problem but an electrical signal problem going to ur water inlet valve. Possibly from the panel or board.






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1 Answer

Water fills washer


Washer fills with water and overflows:

The water pressure level switch is a pressure activated switch that is used to determine the correct water level in the tub. This part is normally located behind the control panel and will have a hose or air dome tube that connects it to the tub. On washers that use an electronic control, this switch may be located at the sump area below the tub. As the water fills in the tub it will compress the air in the tube and push against a diaphragm inside the switch. The switch will control the water inlet valve and turn the valve off at the correct water level. If the tube has a leak, not enough pressure may be created to activate the switch and the washer may overfill. If the switch is defective it may also cause the machine to overfill. To determine if the switch is bad, you should first eliminate the air dome hose as a problem. Look for signs of cracks or worn areas on the hose. Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well. If the air dome hose appears to be ok, then the water level switch may be defective.

You can test it with a meter and with a manual test? ( first locate it in the panel, it has a plastic clear tube hose going into it, remove that tube from its connection, now put another small tube or hose into the slot where it was and have the machine set to wash cycle with water in it. Blow into the other end of the tube.
If the machine starts to wash. the pressure switch is more than likely good
( No wash- then THE DIAPHRAGM IS BAD AND SWITCH HAS TO BE REPLACED).


The other item to check would be your water inlet valve. Check it for continuity with a multi meter it should show Ohms or a closed circuit. To test it when water is overflowing unplug the unit and see if it still overflows or continues to fill. If it stops when unplugged. Then it is not a water inlet problem but an electrical signal problem going to ur water inlet valve. Possibly from the panel or board.






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Washer fills with water and overflows:

The water pressure level switch is a pressure activated switch that is used to determine the correct water level in the tub. This part is normally located behind the control panel and will have a hose or air dome tube that connects it to the tub. On washers that use an electronic control, this switch may be located at the sump area below the tub. As the water fills in the tub it will compress the air in the tube and push against a diaphragm inside the switch. The switch will control the water inlet valve and turn the valve off at the correct water level. If the tube has a leak, not enough pressure may be created to activate the switch and the washer may overfill. If the switch is defective it may also cause the machine to overfill. To determine if the switch is bad, you should first eliminate the air dome hose as a problem. Look for signs of cracks or worn areas on the hose. Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well. If the air dome hose appears to be ok, then the water level switch may be defective.

You can test it with a meter and with a manual test? ( first locate it in the panel, it has a plastic clear tube hose going into it, remove that tube from its connection, now put another small tube or hose into the slot where it was and have the machine set to wash cycle with water in it. Blow into the other end of the tube.
If the machine starts to wash. the pressure switch is more than likely good
( No wash- then THE DIAPHRAGM IS BAD AND SWITCH HAS TO BE REPLACED).

The other item to check would be your water inlet valve. Check it for continuity with a multi meter it should show Ohms or a closed circuit. To test it when water is overflowing unplug the unit and see if it still overflows or continues to fill. If it stops when unplugged. Then it is not a water inlet problem but an electrical signal problem going to ur water inlet valve. Possibly from the panel or board.




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Frigidaire washer mod#fws223rfs0 overfills


Washer fills with water and overflows:

The water pressure level switch is a pressure activated switch that is used to determine the correct water level in the tub. This part is normally located behind the control panel and will have a hose or air dome tube that connects it to the tub. On washers that use an electronic control, this switch may be located at the sump area below the tub. As the water fills in the tub it will compress the air in the tube and push against a diaphragm inside the switch. The switch will control the water inlet valve and turn the valve off at the correct water level. If the tube has a leak, not enough pressure may be created to activate the switch and the washer may overfill. If the switch is defective it may also cause the machine to overfill. To determine if the switch is bad, you should first eliminate the air dome hose as a problem. Look for signs of cracks or worn areas on the hose. Remove the hose and submerge in water. Seal one end and blow air into the other end and look for bubbles. Check for an obstruction in the hose as well. If the air dome hose appears to be ok, then the water level switch may be defective.

You can test it with a meter and with a manual test? ( first locate it in the panel, it has a plastic clear tube hose going into it, remove that tube from its connection, now put another small tube or hose into the slot where it was and have the machine set to wash cycle with water in it. Blow into the other end of the tube.
If the machine starts to wash. the pressure switch is more than likely good
( No wash- then THE DIAPHRAGM IS BAD AND SWITCH HAS TO BE REPLACED).

The other item to check would be your water inlet valve. Check it for continuity with a multi meter it should show Ohms or a closed circuit. To test it when water is overflowing unplug the unit and see if it still overflows or continues to fill. If it stops when unplugged. Then it is not a water inlet problem but an electrical signal problem going to ur water inlet valve. Possibly from the panel or board.



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Could be a faulty water level switch ,or blocked pressure chamber hose leading to switch, or a sticking water inlet valve, question of elmination I'm afraid.

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1 Answer

My maytag washer model lav3600aww continues to overfill and overflows


Hi There
I have found some stuff for you to read and hope this helps you. Let me know how it goes.
It's overfilling If your washer is overfilling, check these: Water-inlet valve Water-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.
thank you for writing to fix ya.
Best Regards Richard

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1 Answer

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If the washer overfills, it may be something as simple as a detached or broken air hose on the pressure switch. The following link explains:

http://www.fixya.com/support/r762094-washer_overflows

The pressure switch on top loaders is located behind the load level selector knob on the operator console. The pressure switch on front loaders will be located inside the cabinet, usually mounted along the back interior wall. In the case of certain Maytag front loaders, the pressure switch is actually located under the tub. The principles of operation on all of them is the same, though. They all have an electrical connection and an air hose that detects the pressure from the tub as the water level rises.

If the pressure switch is not able to detect the water level properly, it will not shut off and the washer will never begin the wash cycle. Instead, you get a tub overflowing on your laundry room floor.

Read through the link provided and let me know if you have any questions. I hope this helps you.

NOTE: Another source of an overflow could be the water inlet valve. This is usually a slow fill fill that you find when the washer is sitting idle over night. A quick test to determine the source of the problem is to unplug the washer. If the water stops - pressure switch. If the water continues to fill - water inlet valve.

Let me know what you find...

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The water dripping into the tub is caused by the fill valve solenoid not closing completely. The fix is to replace the fill valve. The overfilling of the washer is caused by the pressure switch. Over time the diaphram within the pressure switch becomes fatiqued & fails. The fix for this is to replace it as well... Hope this helps... Bill

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regardless of machine being on or not???sounds like a faulty water inlet valve youll need to replace the valve..

If the water level just overfills and floods over the top of washer but turns off when the unit is shut off, then it sounds like a bad fill switch.

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