Maytag Neptune MAH5500B Front Load Washer Logo
Posted on Jul 01, 2008
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Maytag mah4000aww, tub overfills

Selecting cold water only, when started, the hot water valve also opens. When full the valves don't close. Using stop button shuts off machine but the valves stay open until machine is unplugged. I shut off supply and restarted it. It ran the wash cycle but at the start of the rinse it shut off. To restart it, it would only shut off in about 2 to 3 seconds. Removeing connector P7 from control board there is 1.145 kohms across hot water valve, 1.125 kohms across cold valve and wax motor has 1.215 kohms. On back of control board, the trace leading from the hot water valve connection to the resistor R103 at the main transformer is burned for about 3/4 inch. I have a new control board but before I instal it should some other component be check that might have caused the problem.

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  • Fangiofun Jul 27, 2008

    My machine is Neptune MAH4000AWW

    We first noticed a problem when the basement was flooded. The machine was at the beginning of the spin cycle and the door flung open making a bigger mess.
    Tried again, either of the valves, hot or cold, will not shut off even after water started to overflow.
    Door close light in on, and the door remains locked. After playing with the main control knob, I got it to run thru the wash cycle, but it did not star the rinse.
    Any help is welcomed
    Sergio
    PS: This is the same machine that a year ago I changed the motor and controller with some invaluable help from this site.

  • rgriswo Aug 01, 2008

    My Neptune started cutting off during the cycle. It would restart when I pushed the "start" button but the door subsequently opened with a full tub of water. Quite a mess. I thought the door wasn't fully locked so I ran through the cycle again. More cutoffs and then the door opened again for another clean up.



    I read about the R11 Q6 repair and I wonder if that is what is causing my problems. By the way, the first time it did this, my size 14 running shoes were in the wash. Is that a bad idea?



    Thanks,

    Ryan

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jeff hartman

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  • Posted on Jul 05, 2008
jeff hartman
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Have you changed your door latch wax motor yet... If you have the brown actuator pin then you want to chuck that wax motor out of there quicker than spit! You want the redesigned wax motor with the black actuator pin. I know of folks where the wax motor failure caused the timer and /or water valves to act up... See www.neptunewaxmotor.com for disassembly photos and other Neptune information.

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Related Questions:

0helpful
1answer

I have a maytag neptune, model MAH4000AWW The washer overfills, the water will not stop running.
Most likely is water inlet valve issue but could also be water level pressure switch or air dome tube. Check youtube for some great videos on repair.
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Sep 24, 2013 • Maytag Neptune Washing Machines
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1answer

Water flows constantly during the spin cycle
Servicing Water Inlet ValvesIf the washer won't fill or fills very slowly, if it overfills, or if the water is the wrong temperature, the water inlet valves could be faulty. These components are easy to locate and very easy to replace, at little cost. When you suspect an inlet valve is faulty, first check to make sure the water faucets are fully turned on and properly connected to the hot and cold inlets of the valves. Then check the screens in the valves; if they're clogged, clean or replace them. If water doesn't enter the tub, set the temperature control to the HOT setting. If there is no water, set the control to the WARM setting. If all that comes out is cold water, the hot-water inlet valve is faulty. Reverse the procedure to test the cold-water valve, setting the control first on COLD and then on WARM. If the tub overfills, unplug the washer. If water still flows into the tub, the valve is stuck open. In any of these cases, the valves should probably be replaced.
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Dec 08, 2011 • GE WBVH6240F Front Load Washer
0helpful
1answer

Cold water will not stop running
I am assuming that you are having a problem with the cold water overfilling the machine. If only the cold water is overfilling and not the hot, then the fill valve is sticking.

If both hot and cold are contributing to the overflow when the washer is set to 'warm', then it is also possible that the fill valve hose (that goes from the tub to the fill valve switch) may be loose or disconnected (or possibly clogged).
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Mar 01, 2011 • GE WWSE5240G
0helpful
1answer

Getting hot water only into the tub. Is that a bad mixing valve? Where can I get one for a VERY old Maytag Washer?
The cold water valve could be faulty. It's quite possible that the valves haven't changed. If you don't need hot water put the HOT hose on the COLD tap and wash on 'hot' or 'warm' you'll need to rinse on hot or warm or the machine wont open the 'hot' valve which is now delivering cold water!!!! Enjoy.........Nomess
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Apr 18, 2010 • Maytag Neptune FAV6800AW Top Load Washer
1helpful
1answer

Why is there only hot water going in the washing machine?
the cold water valve is stuck shut inside washer.
Servicing Water Inlet ValvesIf the washer won't fill or fills very slowly, if it overfills, or if the water is the wrong temperature, the water inlet valves could be faulty. These components are easy to locate and very easy to replace, at little cost. When you suspect an inlet valve is faulty, first check to make sure the water faucets are fully turned on and properly connected to the hot and cold inlets of the valves. Then check the screens in the valves; if they're clogged, clean or replace them. If water doesn't enter the tub, set the temperature control to the HOT setting. If there is no water, set the control to the WARM setting. If all that comes out is cold water, the hot-water inlet valve is faulty. Reverse the procedure to test the cold-water valve, setting the control first on COLD and then on WARM. If the tub overfills, unplug the washer. If water still flows into the tub, the valve is stuck open. In any of these cases, the valves should probably be replaced. To check the valve assembly:


how-to-repair-a-washing-machine-2.jpg


Step 1: Remove the back service panel and disconnect the hot-water and cold-water hoses to the valves.

Step 2: Remove the hoses connected to the valves inside the cabinet. Also disconnect the wires from the terminals. Back out the screws holding the valves to the machine. The inlet valves have solenoids (a coil of wire that carries a current) inside the housing. These can be tested, but chances are the valves are simply worn out.

Step 3: Tap the solenoids with a screwdriver handle. If this doesn't work, replace the entire inlet valve assembly. Repairs usually cost more than a new part. Make sure the replacement valve assembly is exactly the same type as the old one. Install it in reverse order of the way you disconnected the old one.


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Oct 14, 2009 • Kenmore 24032\24036 Top Load Washer
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2answers

On my Maytag Neptune MAH-3, the water is running non-stop
check plastic hose out side of tub to pressure switch
if ok replace pressure switch
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Oct 12, 2009 • Maytag Neptune Washer
3helpful
2answers

Maytag Neptune Front Load Washer Model MAH4000AWW low last spin
two problems here,
your shaft seal is running on its last leg
the sound is unmistakeable and always described the same...
the water issue, you probably have a trickle leak through the cold water valve
the mixing valve is quite an easy repair, but I would have to say with all honesty, it probably time for a new machine
the hub seal is a tub replacment call
2 hrs of labor if hes good
and the tub runs around 500.00 dollars
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Read full answer
Oct 10, 2009 • Maytag Neptune MAH5500B Front Load Washer
0helpful
1answer

The cold water will not run.
Servicing Water Inlet ValvesIf the washer won't fill or fills very slowly, if it overfills, or if the water is the wrong temperature, the water inlet valves could be faulty. These components are easy to locate and very easy to replace, at little cost. When you suspect an inlet valve is faulty, first check to make sure the water faucets are fully turned on and properly connected to the hot and cold inlets of the valves. Then check the screens in the valves; if they're clogged, clean or replace them. If water doesn't enter the tub, set the temperature control to the HOT setting. If there is no water, set the control to the WARM setting. If all that comes out is cold water, the hot-water inlet valve is faulty. Reverse the procedure to test the cold-water valve, setting the control first on COLD and then on WARM. If the tub overfills, unplug the washer. If water still flows into the tub, the valve is stuck open. In any of these cases, the valves should probably be replaced. To check the valve assembly:


how-to-repair-a-washing-machine-2.jpg
©2006 Publications International, Ltd.
If an inlet valve is faulty, check the water connection and the
valve screens. Try gently tapping the solenoids;
if this doesn't work, replace the inlet valve assembly.
Step 1: Remove the back service panel and disconnect the hot-water and cold-water hoses to the valves.

Step 2: Remove the hoses connected to the valves inside the cabinet. Also disconnect the wires from the terminals. Back out the screws holding the valves to the machine. The inlet valves have solenoids (a coil of wire that carries a current) inside the housing. These can be tested, but chances are the valves are simply worn out.

Step 3: Tap the solenoids with a screwdriver handle. If this doesn't work, replace the entire inlet valve assembly. Repairs usually cost more than a new part. Make sure the replacement valve assembly is exactly the same type as the old one. Install it in reverse order of the way you disconnected the old one.
Read full answer
Aug 24, 2009 • Maytag MHWE300VW Washer
4helpful
2answers

Water level switch doesn't shut off the water
Washer Basics: Filling with water:
The water fill valve - The water fill valve is a mechanical and electrical part, the coils on the valve need electricity to mechanically open the valve to allow the water to flow into the washer....myth....the washer pumps water into itself...no, it does not. The fill valve opens and the house water pressure pushes the water into the washing machine.
No cold water or no hot water - The fill valve has two coils, one for the hot water and one for the cold water. It is possible that one of the coils can fail and you loose that filling ability. If the cold water coil quits, the hot will still work and during warm fill you will get hot water only and during a cold fill you will get no water at all. If the hot coils quits, you will still have cold water fill, cold water only on a warm setting and no water on a hot fill setting. You can No cold water or no hot water - The fill valve has two coils, one for the hot water and one for the cold water. It is possible that one of the coils can fail and you loose that filling ability. If the cold water coil quits, the hot will still work and during warm fill you will get hot water only and during a cold fill you will get no water at all. If the hot coils quits, you will still have cold water fill, cold water only on a warm setting and no water on a hot fill setting. You can test a fill valve live for 120 volts, power to a fill valve coil and no fill = a bad fill valve. You can also test the coils for continuity, no continuity = a bad fill valve. Some Maytag washers have a fuse in the fill valve circuit, if this fuse let go the washer will not fill. Fill valves can also from time to time stick open and not stop filling. If you have to shut off the fill valves to stop the water from filling in the washer, you have a bad fill valve and you will have to replace it.


Water level controls - The water level control is also know as a pressure switch, this is where you set the water level ( small - medium - large ). The water level control is responsible to shut off the power to the fill valve and direct that power to the timer so the washing machine can start up. The WLC has electrical contacts in it that sends power to the fill valve and when the WLC is satisfied the water level is correct the electrical contacts open power to the fill valve and send the power to the timer and the washer starts. Picture of this here. How the water level control knows when it is time to shut the water off is, a air tight hose runs from the outer washer tank to the water level control. As the water fills the outer tank air is pushed up the hose, depending on which setting you have made ( small- medium - large ) is takes a certain amount of this pressure to make the WLC cycle over and shut off the water and send this power to the timer. If this hose develops a leak or a pin hole the washer can over fill as the WLC may not be able to shut the water off. The water level control can also break down and allow the washer to over fill as well.
Testing a  water level control or a fill valve can be done by using a Testing a  water level control or a fill valve can be done by using a ohm meter or a volt meter. Testing a  water level control or a fill valve can be done by using a ohm meter or a volt meter. Testing a  water level control or a fill valve can be done by using a ohm meter or a volt meter.
A couple of tips from readers (Thankx!! ):
~ If you have a loose hose on the water level control or tank end, use a plastic wire tie to help hold the hose tighter and make a tight fit.
~ The water level tube (tube that runs from the square box), access panel on the outer drum where the bleach tube also ends) from the pressure sensor switch (front panel) can become clogged.  Or the two holes from the outer tub into this square box panel on the outside of the outer tub can become clogged. Either clog, I am told by my help repair guy can cause the sensor to think that there is still too much water in the tub and so will not allow motor to activate spin.
~ If the water level control contact is bad, it may also stop the filling ok, but not tell the washer to start agitating.
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Nov 13, 2008 • Maytag PAV2300 Top Load Washer
0helpful
1answer

Water temperature
It sounds like your water inlet valve (also known as a Mixing Valve on some washers) HOT solenoid is sticking open. When you select either a hot or cold wash cycle, separate solenoids open or close to allow only cold water to enter the washer on the cold wash cycles and hot water to enter on the hot cycles. If the hot solenoid stays open, you will have hot water mixing with your cold water during the cold cycles. The result is warm water. I would recommend you replace the water inlet valve. This is a job the average DIYer can do. Please post back with your model number and I can assist you with locating a part number and/or give you specifics on how to access the valve to replace it.
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Aug 26, 2008 • Maytag Washing Machines
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