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Maytag Neptune Washer MAH8700AWW error code  Rating:  Rating
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 Posted: Wed Apr 12th, 2006 06:08 am
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haas
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The MAH8700AWW is the Neptune front load washer (looks like a commercial washer).

My washer is fairly new, however it was a floor display model. I have not been able to verify any warranty from Maytag.

I have several question that may or may not be related.

1. I occasionally get the error code 3E during a wash load. Pressing the cycle selector button will start the machine again from where it ended. This error code is not listed in the User manual. Some wash loads never cause an error and sometimes I get it 3-4 times during a wash load.

2. I have noticed that during loads of jeans the spin cycle makes numerous attempts before finally moving into the spin cycle. The machine will start to speed up (clothes all stay out along the drum) then slows and stops, clothes tumble back and forth several times before the spin cycle tries again. I have watched it try for 6-10 times before finally spinning at full RPM. Does the machine have a sensor that determines if the load is out-of-balance? Starting the cycle over would reposition the load before trying again. I have got the error code 3E stated above after this spin cycle failed after numerous tries. Are the two problems related?

I would like to know what the error code 3E really indicates. Also, I have heard that the display panel can display error codes that it has encountered. I would like to be able to retrieve the codes and run the various tests (spin, etc) that are available via the display panel. Any one know how to do this?

Anyone have a copy of the repair manual for these washers?



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 Posted: Wed Apr 12th, 2006 12:36 pm
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Samurai Appliance Repair Man
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3E == overcurrent detected at the motor.

Open the control panel, there should be a tech sheet in there that explains how to put the machine into service mode (press chime and extra rinse keys for three seconds) and what to do while in service mode to track this down. Once on service mode, you can cycle through and retrieve all diagnostic codes... and lots of other stuff that'll help you track this down.

You can also go ahead and check out the windings on the motor. Unplug harness connector and test from wire insertion side.

Pin #1 and Pin #2 of CN9 == 11.6 ohms
Pin #1 and Pin #3 of CN9 == 11.6 ohms
Pin #2 and Pin #3 of CN9 == 11.6 ohms


Last edited on Wed Apr 12th, 2006 12:39 pm by Samurai Appliance Repair Man



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 Posted: Thu Apr 13th, 2006 05:51 pm
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haas
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The tech sheet has been removed from this machine. It was a floor model so I don't what happened to it. If anyone has a copy of the tech sheet for this model washer I would appreciate getting a copy of it.

Any comments on the second part of my earlier post? Rinse cycle?



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 Posted: Thu Apr 13th, 2006 06:14 pm
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Samurai Appliance Repair Man
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You neglected to post the motor winding resistances as instructed. For it is written, "He that is faithful in that which is least, is faithful also in much; and he that is unjust in the least just ain't worth helping no mo'."

Can I hear an "Amen?"



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 Posted: Fri Apr 14th, 2006 02:54 am
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haas
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RE: Maytag Neptune front load washer MAH8700AWW

:yikes:Sorry Samurai, you said I could check the motor windings, but didn't say anything  about posting them. My son borrowed my ohm meter so I'll have to get that back so I can check the motor windings (and post them):). Do you think that is related to the error code, the spin cycle problem, or both?

My general question about the spin cycle is - is it a normal procedure for the machine to not go into full spin RPM if it detects an unbalanced load? then try to adjust the load and try again?



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 Posted: Fri Apr 14th, 2006 03:04 am
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haas wrote:
Do you think that is related to the error code, the spin cycle problem, or both?
Since the error code is an overcurrent condition, we need to assess the condition of the motor.

My general question about the spin cycle is - is it a normal procedure for the machine to not go into full spin RPM if it detects an unbalanced load? then try to adjust the load and try again?
Da, tovarish



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 Posted: Thu Apr 20th, 2006 05:56 am
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haas
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Since I don't have a copy of the tech sheet, I am guessing which wires to check on the motor wire connector. One end of the connector has three wires; pink, purple, & white. Here is what I found.

pink -> purple = 4.69 ohms (I think this #1->#2)
pink -> white = nothing (#1 & #3 ?)
purple -> white = nothing

Let me know if these are not the right wires to check. I would love to get a copy of the tech sheet for this model if anyone has one. This machine has the belt drive motor, not the direct drive.



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 Posted: Thu Apr 20th, 2006 07:06 am
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haas
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Woops, forgot about the other wires in the connector. At the opposite end of the motor connector are three wires that are red, white, & blue. Resistance is 2.9 ohms between those wires.



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 Posted: Sun Apr 23rd, 2006 04:42 pm
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Samurai Appliance Repair Man
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You probably fixed the problem by disconnecting and reconnecting the motor wire harness. The attached tech bulletin has more info on the E3 code.

Attachment: TDL-0078-B.pdf (Downloaded 67 times)



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 Posted: Wed Apr 26th, 2006 03:11 am
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haas
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I disconnected the motor connector and found one wire partially pushed out. I got the wire end locked back into the connector and now, two loads later, everything seems to be working good. I'm keeping my fingers crossed.:) The motor ohm readings were quite different than you had posted. wrong numbers? You have been a big help so far. I would still like to get a copy of the MAH8700A tech sheet so I can run some other diagnostics. Thanks



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 Posted: Wed Apr 26th, 2006 03:34 am
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Samurai Appliance Repair Man
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haas wrote:
The motor ohm readings were quite different than you had posted. wrong numbers?
Wrong meter. ;)

If it's running good, declare victory and call it a day.



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 Posted: Wed Apr 26th, 2006 12:18 pm
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haas
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Oh mighty one, why do I have to beg so much? I'm sure I will need the tech sheet again soon. I will have it when I need it, not a day later. Hey, I believe in miracles too!



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 Posted: Thu Apr 27th, 2006 12:26 pm
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haas
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Well, several more good loads, then the 3E error code again. :yikes: It usually comes on after numerous attempts to begin the spin cycle. The spin cycle starts to speed up then stops. Goes through several CW & CWW rotations, then tries again. It may go through this routine up to 10 times. These are normal, good sized loads of clothes, not some big bulky stuff that is difficult to balance. Any ideas? I can't run any other diagnostics with the display panel cause' I aint got da tech sheet!



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 Posted: Thu Apr 27th, 2006 01:19 pm
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Samurai Appliance Repair Man
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haas wrote:
I can't run any other diagnostics with the display panel cause' I aint got da tech sheet!
Dang, that's too bad. It's a very nice tech sheet, too, 15-pages filled with all kinds of purdy pictures and technical-looking gobbledy-gook that I couldn't even hope to begin to understand. But, alas, it's too big to post here as an attachment. However, for a generous love-offering to my flavorite charity, I could be persuaded to email it to you.



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 Posted: Thu Apr 27th, 2006 03:43 pm
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haas
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OK, I'm slow catching on to the money = information thing! Your next few beers are on me.:D



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 Posted: Thu Apr 27th, 2006 11:19 pm
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Many domos for your love-offering. :dude:

Check your email, you should have the tech sheet by now. If not, let me know and I'll re-send.



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 Posted: Sun Apr 30th, 2006 04:17 am
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haas
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Thanks Samurai for the tech sheet. Very helpful

I ran this machine through all the paces while in service mode. Everything looks good. Next load, error code 3E AGAIN! Most of the time the error code appears when the machine fails to spin after the rinse cycle. It will attempt to spin numerous times, stop, CW & CWW, then try again. The RPM's get up around 150-175 before it stops. Balance code during this time is UC - "Balanced". After numerous attempts (maybe 10), the machine displays 3E and stops. Pressing the cycle control knob will start the machine again and usually will finish the cycles, but not always. Looks like their may not be too much experience on these machines yet. This machine is going back to the seller unless someone has a new idea to check.



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 Posted: Sun Apr 30th, 2006 04:21 am
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I'd keep focusing on that motor wire harness connector, as explained in that tech sheet. While the machine is running, try wiggling and torquing that connector to see if you can induce the error.



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 Posted: Mon May 25th, 2009 08:40 pm
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Hello.  I, too, have a Maytag Neptune washer that displays the "3E" trouble code.  I have checked connector at the motor for corrosion buildup and/or loose terminals and found none.  I have unplugged the unit from the wall and let it sit for a few hours.  This helped for a couple loads, but then the problem came back.  I pulled the control panel and tested the motor windings at C9 and here are the readings I got:

 

Pin 1&2 == 3.2

Pin 1&3 == 3.2

Pin 2&3 == 3.2

 

I am thinking that my motor is toast.  Does this sound right?  Anyone know where I can get a new motor for this thing?

 

Thanks.  :help:

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 Posted: Mon May 25th, 2009 08:44 pm
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same model number ?

are you using a digital OHM meter  ?



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