Maytag Neptune MAH4000aww


  #1  
Old 08-28-03, 07:53 AM
uflyups
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Maytag Neptune MAH4000aww

Hey Jeff! The problems with the Nepturn spin cycle seem similar to my problems ,only different. When you say there is water left in the washing machine, do you mean that the machine fails to spin OR fails to pump the water out? My machine seems to be spinning, just not pumping the water out. I have pulled the circuit board and the board looks different than the photos pictured on your site, as well as the R-11 has different color stripes and the Q6 is totally different than pictured on your website. I am hesitant to call Maytag to get a new circuit board until I resolve these questions. Please let me know what you think.
 
  #2  
Old 08-28-03, 09:32 AM
jeff1
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Cool

Hi,

When you say there is water left in the washing machine, do you mean that the machine fails to spin OR fails to pump the water out?
The washer cannot really spin if the water isn't pumped out, it may try, but cannot really spin. The water must leave first before the proper spinning will take place.

My machine seems to be spinning, just not pumping the water out.
Something in the pump itself, something in the hoses to or from the pump, bad pump are common trouble makers for not draining/pumping. Power off first, the pump is easy to remove to check for junk/crud inside the the pump.

I am hesitant to call Maytag to get a new circuit board until I resolve these questions.
I wouldn't either until the draining issue is looked at/resolved.

http://www.applianceaid.com/neptune3.html
Some access helps.

jeff.
 
  #3  
Old 08-28-03, 03:21 PM
ohm_boy
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Jeff's right. (Jeff's always right, though) Of the water doesn't pump out, the machine may tumble, but not spin. Spin is that high speed, turbine-sounding whine spin.

It is also very possible that you are looking at a different circuit board. The washer has two.
 
  #4  
Old 08-28-03, 04:40 PM
jeff1
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Talking

Jeff's right. (Jeff's always right, though)
I thought I was wrong once.....but I was mistaken! LOL!!

Bad ( and old ) joke.

jeff.
 
  #5  
Old 09-04-03, 11:27 PM
thomas2
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neptune problem

Jeff I am also having a problem with my washer not pumping out the water. It will spin so I know it is not the R11 problem, ( I am on my third board). I followed your information and took out the pump....it did not look like anything was inside it. I did not take the pump apart though...just looked in it...I have allready replaced the pump about a year ago....could I need a new pump?...It pumps water into the washer just fine.....I had it replaced when it started making very loud noises when it would pump the water in.
 
  #6  
Old 09-05-03, 03:24 AM
jeff1
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Cool

Hello,

could I need a new pump?...It pumps water into the washer just fine.....
The drain pump just drains the water out of the washer, it doesn't pump anything into the washer, house pressure pushes the water in for filling when the fill valve solenoid is energized. Some of these washers had a recirculate pump that cirulated the water in and out of the tub during the washing process, but generally speaking the drain pump just drains the water out.

could I need a new pump?...
Possible. If the pump is receiving 110-120 volts AC and no cloggs are found in the entrance or exits hoses = sounds like new pump assy time.

it did not look like anything was inside it. I did not take the pump apart though
I'll often find a dime or such in the pumps entrance hose, small wad of lint in the pump itself or a wad of lint in the drain hose preventing the drain outs. Too many sudz can make the pump quit as well.

I had it replaced when it started making very loud noises
That was common

I'd recheck the hoses and you may be able to *carefully* plug the wire harness onto the pump with the pump out in the front so you can see if it is really comming on or not.

jeff.
 
  #7  
Old 09-05-03, 07:50 AM
thomas2
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pump

jeff could you give me the link for a new pump...in case I do need one...
Thanks
 
  #8  
Old 09-05-03, 08:56 AM
jeff1
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Hi,

*Might* depend on the full model#...but this is the most common one....

http://www.repairclinic.com/referral.asp?R=153&N=775841
Drain pump and motor assembly with check valve.


jeff.
 
  #9  
Old 09-05-03, 10:58 AM
thomas2
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pump

Sorry Jeff...that would help huh?...The model number is mah3000aww
 
  #10  
Old 09-05-03, 01:56 PM
jeff1
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that would help huh?...
I find that it does

I picked the right one

http://www.repairclinic.com/referral.asp?R=153&N=775841
Drain pump and motor assembly with check valve.

jeff.
 
  #11  
Old 09-10-03, 01:02 AM
thomas2
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pump

I could not find anything in the pump or end of the hoses so I replaced the pump. Now on the old pump the black wire was on top and the white wire was on the bottom. The new pump has them side by side...does it matter which goes where....I tried it both ways and it seems to work.....Now the problem....I still have water in my machine.....I did notice the new pump has this kind of black flap on the outlet that goes to my dirty water line....on the old one it had come off....could it be blocking the hose somewhere.....I could just go by Home Depot and replace the hose ........Whatelse could be the problem.....I can hear a loud humming noise from the the pump when it is supposed to be pumping out the water....so it must be trying....Dont know what to do now.....could that black hose from my drum be clogged up somewhere.....dont know how I could get that off.
 
  #12  
Old 09-10-03, 03:29 AM
jeff1
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Hi,

Now on the old pump the black wire was on top and the white wire was on the bottom. The new pump has them side by side...does it matter which goes where....
Matters not which way.

I did notice the new pump has this kind of black flap on the outlet that goes to my dirty water line....on the old one it had come off....could it be blocking the hose somewhere
This is a back flush seal/one way valve, helps to prevent water from flowing backwards from the drain hose backwards into the machine, can it be a problem...only if stuck or distorted.

I can hear a loud humming noise from the the pump when it is supposed to be pumping out the water....so it must be trying
I agree, the pump sounds like it is trying.

could that black hose from my drum be clogged up somewhere.
Yes. Also the drain hose can, have had to unclogg a few of those drain hoses with a wad of lint in them.



Remove the pump entrance hose and have a peek up inside with a flash light, or also try lating that hose into a pan and pour -some- water into the tub to see how it comes out into the pan. Remove the drain hose completly and test in laundry tub/sink. A dime was flopping around in the pump entrance hose on the last one that gave me headaches.

jeff.
 
  #13  
Old 09-10-03, 11:14 AM
thomas2
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pump

Is there an easier way to access the pump entrance hose. That access panel is so small...I am hoping it is the discharge hose...that would be much easier..I think that flush seal may be plugging up the discharge hose...It is no where to be found...and it looks to big to make it throught the hose....as far as the pump entrance hose....I cannot get in there far enough to really see into it.....maybe I could stick something up there to see if I can get anything out.
 
  #14  
Old 09-10-03, 11:19 AM
ohm_boy
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You can get to it from the front (which is where that picture that Jeff posted was taken).
See:
http://www.applianceaid.com/neptune3.html
for info on removing the door and front panel.
 
  #15  
Old 09-10-03, 03:28 PM
thomas2
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water pump

Okay, I got the water discharge hose off and sprayed water through it and got some gunk out...not a lot...then I got to the other hose from the tub.....I felt stuff in it so I pulled it off....it was not bad...but there was a lot of....gunk..I would call it...in the little tube that went into it....it was just a kink of paste.....that may have been the problem....we will see it is running now.....does it take much to cause the problem??
 
  #16  
Old 09-10-03, 04:18 PM
jeff1
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Smile

but there was a lot of....gunk..I would call it...
Official appliance tech term.....gookus

does it take much to cause the problem??
Not overly....sometimes a kleenex or such can mush up and cause problems.

we will see it is running now
Thankx for any updates.

jeff.
 
  #17  
Old 09-10-03, 07:03 PM
thomas2
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Thanks for all your help Jeff it is running perfectly.....Did not seem like much but it was all in that little plastic tube from the tub....

On another subject....if I replace this....do you have any recommendations for a new washer......I do like the new Neptunes....and at least I know how to fix them.
 
  #18  
Old 09-10-03, 07:22 PM
jeff1
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Thumbs up

it is running perfectly
The happy appliance dance....

do you have any recommendations for a new washer......I do like the new Neptunes
I like them as well, these ( Neptunes ) will probably be our next washer/dryer.

Thankx for the update!!

jeff.
 
  #19  
Old 09-10-03, 07:56 PM
KurtDixon
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Those ribbed hoses seem like they would clog up faster/easier than the flat/smooth hoses from years ago. They also bend without kinking, but if the hose is the proper length, I don't see the reason for ribbed hoses.
 
  #20  
Old 09-10-03, 08:11 PM
jeff1
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They also bend without kinking, but if the hose is the proper length, I don't see the reason for ribbed hoses
Good thought Kurt!!....the hoses are ribbed because of the movement of the baskets in the front laod washer....a solid hose would probably crack/split.

jeff.
 
  #21  
Old 09-10-03, 08:26 PM
KurtDixon
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Oh yeah I guess so, on top loaders, the pump usually moves with the tub, motor and transmission so the hoses don't move/flex much. But on front loaders with all the up, down, side, side movement, a smooth hose would have to be long and would kink eventually, or split like you said
 
  #22  
Old 09-11-03, 06:49 AM
ohm_boy
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It could be done with smooth hose, using an "S" curved hose, but it would need to be a pre-formed hose to keep it's shape. That would make it more expensive than a ribbed, off-the-shelf piece.
So once again, while it COULD be done, the bottom line is the reason that its' not.
 
  #23  
Old 03-02-06, 06:02 PM
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Angry Maytag Neptune mah4000aww

My machine will fill, and tumble, and drain.

It will NOT lock the door or spin.

HELP!!!!!!
 
  #24  
Old 03-02-06, 08:08 PM
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There are two areas that need checked that have been trouble on these units. One is a solenoid type device called a wax motor. It is responsible for locking the door which in turn engages the door switches that allow the unit to spin. Here is a picture of it…

http://i29.photobucket.com/albums/c264/Genx65/waxmotor3.jpg
It is located in the door latch assembly

The other that needs checked is the electronic board in the control console. You would need to check the component side of the board. If you find a spot that has a burnt component then you would need to replace both the board and the wax motor. If this is what’s causing the trouble and you try to replace one and not the other then the washer will fail again. I would take a look at the board first. I just repaired one of the boards recently and here’s what they look like with the damaged spot.

http://i29.photobucket.com/albums/c264/Genx65/controlboard_neptune3.jpg

Hope this helps
 
  #25  
Old 09-23-07, 09:28 AM
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I just briught a used Maytag Neptune mah4000aww. I'm spinning the drum, is water still supposed to be in it?
 
  #26  
Old 09-23-07, 08:16 PM
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Originally Posted by elvon2004 View Post
I just briught a used Maytag Neptune mah4000aww. I'm spinning the drum, is water still supposed to be in it?



Yes. It is for balance
 
  #27  
Old 09-23-07, 08:26 PM
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Oh ok thanks
I was wandering where that water noise wascoming from.
 
  #28  
Old 10-30-07, 05:16 AM
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Burning Smell

After my machine finished a load I can smell something burning coming from the top of the machine.
Do you have any idea what that can be?
 
  #29  
Old 12-15-08, 03:04 PM
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Thank you Jeff! You helped me too.

Originally Posted by jeff1 View Post
Remove the pump entrance hose and have a peek up inside with a flash light, or also try lating that hose into a pan and pour -some- water into the tub to see how it comes out into the pan. Remove the drain hose completly and test in laundry tub/sink. A dime was flopping around in the pump entrance hose on the last one that gave me headaches.

jeff.
I had replaced the bearings a few weeks ago and must have dropped a little piece of wood. It was in the pump and my wife complained! I read Jeff's advice and got it fixed!
 
  #30  
Old 01-17-09, 04:22 PM
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Unhappy No Drain - stumped!

What a great forum! It's been very helpful, but I'm still stumped.

It all started last night when the cold water pipe into my washer froze (very cold in Boston right now). I unfroze the pipes and got the machine working. Only now it won't drain!

I took out the pump, checked the hoses, etc. and all seem fine. There is a strange rattling type sound that occurs somewhat randomly. It doesn't sound right. Still, the machine seems to be going through its paces just fine. At the end, however, I have a drum full of water!

Here's a YouTube video of what's going on, with a peek in from the front and back. You can hear the strange rattling sound, particularly during the quite times of the cycle. I can't tell where it's coming from, but it's pretty loud.

YouTube - washer no worky

I'd appreciate any advice!

Thanks,
Tom
 
  #31  
Old 01-17-09, 10:46 PM
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Dose the pump run when it is in the machine? Did you check to see if anything is stuck in pump impeller? Either pump not getting power, something stuck in pump or pump is bad. Have never run into one of those that pump doesn't get power but I would check to be sure.
 
  #32  
Old 01-18-09, 06:57 AM
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Originally Posted by pugsl View Post
Dose the pump run when it is in the machine? Did you check to see if anything is stuck in pump impeller? Either pump not getting power, something stuck in pump or pump is bad. Have never run into one of those that pump doesn't get power but I would check to be sure.
Thanks for the response!

When I had the hoses disconnected, I did test power to the pump by running the machine for a second. The pump spins, so it is getting power. Although it was only running for a second or two, I did not hear that rattling sound during the test.

I couldn't see anything stuck in the pump, but I did not disassemble it either.
 
  #33  
Old 01-18-09, 12:35 PM
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Impeller may be loose on the pump shaft.
 
  #34  
Old 01-18-09, 02:30 PM
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Originally Posted by pugsl View Post
Impeller may be loose on the pump shaft.
Thanks again. I ordered a new pump, so hopefully that does the trick.
 
  #35  
Old 01-21-09, 04:59 PM
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Thanks for the help!

I installed the new pump tonight and the washer is operational again. No strange noises and it drains properly (at least on the first test... doing a real load right now).

On tip that may help others -- when I first went to take out the bad pump, I bailed out the drum as much as possible. Still, when I disconnected the drain hoses, a bunch of water spilled all over the floor. Not a ton, but enough to be annoying and messy.

This time around, I bailed the drum (which had accumulated more water from more test runs) and then disconnected the drain hose from the PVC drain pipe on the wall. Then, I connected my shop vac and sucked pretty much all of the remaining water out before I disconnected the drain hoses from the pump. A few drops of water came out still, but that was it.

Thanks again,
Tom
 
  #36  
Old 01-27-09, 08:50 AM
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Originally Posted by TomCBoston View Post
Thanks for the help!

I installed the new pump tonight and the washer is operational again. No strange noises and it drains properly (at least on the first test... doing a real load right now).

...

Thanks again,
Tom
De Ja Vu all over again....

Well, the machine has been working great and we've done many, many loads just fine.

Another cold spell has hit Boston, however, and I'm now back in the same boat... pipes froze, so I thawed them. Then, attempted to run machine and it seems like I have a pump issue again. So, now I'm trying to figure out what about the pipe freeze or whatever I'm doing is damaging the pump. Any ideas?

It's pretty cold in the room, but I don't think cold enough to freeze the internals of the machine or water residue in the drain pipes or pump.

To unfreeze the pipes, I'm applying a heat gun to warm them until I can get the water flowing again (machine is off while I do this). Once the water is running, I was letting the machine run through a complete cycle (with clothes in it). I noticed once again that when it comes time to drain, nothing is happening. Sounds like a loud hum coming from the pump.

I have not had time to take the machine apart to inspect it in more detail.

I'd appreciate any ideas!

Thanks,
Tom
 
  #37  
Old 01-27-09, 01:35 PM
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You may be getting some ice in the pump and jamming it or breaking the impeller.
 
  #38  
Old 01-28-09, 05:37 PM
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Weather warmed, a little space heater action in that room, and now I'm back in business. Must have been some ice in there.

Thanks again...

Tom
 
  #39  
Old 02-08-09, 09:20 PM
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I have a Maytag Neptune mah4000aww

i has just started not spinning. this happened once before and we had a tech out to look at it. he said the motor was going out. that was over a year ago. he reset "something" on the circuit board and the washer started spinning again.
have you heard of a reset button or swith on the circuit board.
he suggested we start looking for a new machine as it would be cost prohibited to repair this one?

the drain pump is working, the macchine is just not spinning the clothes to wring them out. could this be the circuit board?
new motor? any other suggestions
 
  #40  
Old 02-09-09, 03:53 AM
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junk machine many problems with that one. Sound like motor and motor control board going bad. There is no reset switch and I can't guess what he did to get you another year.
 
 

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