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Maytag Neptune MAH5500BWW  Rate Topic 
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 Posted: Fri Dec 15th, 2006 03:12 pm
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DavidM
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OK, I now have  3 days to tackle this machine, after stepping away. for my real job.
Here is where I stand.
The Maytag Neptune Washer MAH5500BWW still has an intermittent problem in which it stops in the middle of a cycle most of the time showing an Lr led code (but once or twice it read Sd).
I have opened the front pannel  and  I have also rerieved the  schematics . . .
I am willing to devote much time to solve this and your help is very much welcomed. 



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 Posted: Fri Dec 15th, 2006 09:56 pm
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DavidM
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Thanks for all your help in the past few weeks.

I have run a series of test on the unit via the schematic sheet . . .
To the best of my ability the following was checked OK
1  Machine Drive Test - Machine Control Board Output Test
2  Motor & Motor Control Test
3  Membrane Pad Check
4  Quick Spin Test

I checked all white wires on the water valves as well as the motor control board to be good and tight.

The following Help Codes were noted:
08
19
47
47
19.
47.
08.

On the Board Output Test all worked OK,
but on the Motor Control (Stain Cycle) as the unit began to turn the drum
I could hear a grinding sound for a few seconds.
This grinding sound would also be heard (for a few seconds) during normal usage of operations.

If you can help me in any way to fix this unit
I appriciate it.
Thanks in advance for your help.

Last edited on Fri Dec 15th, 2006 10:01 pm by DavidM



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 Posted: Sat Dec 16th, 2006 02:15 am
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DavidM
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I have run a series of tests on this unit via the schematic sheet . . .
To the best of my ability the following was checked as OK . . .
1  Machine Drive Test - Machine Control Board Output Test
2  Motor & Motor Control Test
3  Membrane Pad Check
4  Quick Spin test

I checked all white wires on the water control valves as well as the motor control board all looked and felt good to go.

The folowwing Help Codes were noted:
08
19
47
47
19.
47.
08.

On the Board Output Test all worked OK,
but on the Motor COntgrol (Stain Cycle) as the unit began to turn the drum
I could hear a grinding sound for a few seconds.
This grinding sound would also be heard (for a few seconds) during normal usage of operations.

If you can help me fix this intermittent problem (the unit stops in mid cycle with an Lr and sometime Sd code) I would appricate it.

Thanks in advance for your help.



____________________
There are 3 areas of time.
The Past, The Present and The Future.
Human beings can only find God in one,
The Present !

Always in God's time
David M
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 Posted: Sat Dec 16th, 2006 02:46 am
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stumpowitz



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Sd = Suds...Cut back on the detergent or look for problems with the pump and/or pressure switch. Lr = Locked rotor...Look for a loose neutral at the water valve(still haven't seen this but a service bulletin says to look) or most likely look into a motor conversion kit here... http://www.repairclinic.com/referral.asp?R=134&N=949491



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 Posted: Sat Dec 16th, 2006 04:12 am
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DavidM
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What about the grinding sound I hear when the drum begins to rotate ?
Could there be a bearing or something that is adding friction thus causing the processor to shut down ?



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Human beings can only find God in one,
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 Posted: Mon Dec 18th, 2006 02:14 am
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does_what_he_can
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the noise you hear could be just the belt. when these belts stretch, they will make cracking noise. its nothing to worry about.

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 Posted: Mon Dec 18th, 2006 05:06 am
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DavidM
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Thanks for the info on the stretch belt.

Any ideas where I should do from here, 
I checked all the white wires . . .
what else should I do ?



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Human beings can only find God in one,
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 Posted: Mon Dec 18th, 2006 08:23 am
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Kiwi-nadian



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Check the drain pump for any blockage or restriction.....you never know:shock:.



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 Posted: Mon Dec 18th, 2006 03:12 pm
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does_what_he_can
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is the washer working ok now or are you still having problems?

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 Posted: Mon Dec 18th, 2006 08:04 pm
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DavidM
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The washer does work but still has an intermittent shut-down problem.

Whenever it acts-up (with an Lr code) I can pause the unit and after a few seconds begin where it left off after the doors locks (which takes about 45secs).

Any help would be appriciated.

 



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There are 3 areas of time.
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Human beings can only find God in one,
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 Posted: Mon Dec 18th, 2006 10:37 pm
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does_what_he_can
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it sounds like you have a loose neutral wire that stumpowitz had pointed out. you would have to go through the unit to find it, but the continuous lr code is caused from a bad motor control: which is easy but expensive to replace.

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 Posted: Mon Dec 18th, 2006 10:48 pm
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Trying to help
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Trying to help wrote: Usually when your motor control is FUBAR, you don't have intermittent problems. Below is a Service Flash that came out about your model unit.  Might want to try it prior to buying anything.  Am I correct in understanding sometimes this thing still works like a champ???? 

 

Issue Washer stops in mid-cycle and/or flashes a code.

Action The motor drive system experienced a momentary loss of neutral feed from the power cord to the Motor Control Board. The neutral line for the Motor Control Board passes across the water valve solenoids. Neutral to the motor drive system can be momentarily lost If there is poor crimping of any of the wire terminals in this circuit. This situation could result in a misdiagnosis and unnecessary replacement of the Motor or Motor Controller Board. Current Neptune front load washers will indicate a false locked rotor signal to the Machine Control Board. Washers with a LED display will flash code "LR" in the display. LCD washers will display "Locked Rotor."  Pull each terminal of the white wire harness connected to each water valve solenoid and verify the wire is properly stripped and crimped to the metal terminal connector of the wire harness. Make sure the wires fit snug on the terminals of the water valve solenoids.

Cut the neutrals and re-crimp them.  Total cost will be .50 or so.  According to the tech bulletin I posted, each neutral at the fill valve should be suspect.



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 Posted: Mon Dec 18th, 2006 11:01 pm
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DavidM
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As of recently (within the last week) it has worked well, but now it stops in the middle of a cycle every time sometimes twice in a wash.

Is there a way to remove the white wire from the connectors ?
I don't see a way to remove the wire . . .
or if I were to cut them, can I but new conectors clips  and just make new one ?

Is there a sure way to test the white wire.
I put an ohm meter across several white wires and it is good to go.

Thanks in advance for you help.



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Human beings can only find God in one,
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Always in God's time
David M
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 Posted: Mon Dec 18th, 2006 11:12 pm
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does_what_he_can
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the meter on the connections can be misleading. i have had this problem in the field. you test and it looks ok but it wont work. if you dont want to cut and redo the connecters, you need to, at least, take a pair of pliers and compress the original connectors for a better fit.

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 Posted: Tue Dec 19th, 2006 12:15 am
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DavidM
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I re-crimp the wires tomorrow in the AM.
Thanks for the tip.

I'll report ASAP the update.




____________________
There are 3 areas of time.
The Past, The Present and The Future.
Human beings can only find God in one,
The Present !

Always in God's time
David M
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 Posted: Tue Dec 19th, 2006 02:16 am
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DavidM
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Are the terminals (like the ones used on the water valve solenoids) for sale as parts anywhere ?

I would like to make new ones or is there another way by using other types of connectors ?

Thanks in advance



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There are 3 areas of time.
The Past, The Present and The Future.
Human beings can only find God in one,
The Present !

Always in God's time
David M
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 Posted: Tue Dec 19th, 2006 02:19 am
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does_what_he_can
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you can either buy a whole new harness for the machine or you can buy new terminals and cut the ends off, strip the wire, and reattach the new terminals. And the terminals would be better if you soldered the wire and then put the connetor on.

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 Posted: Tue Dec 19th, 2006 02:03 pm
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DavidM
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where can i buy these terminals



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There are 3 areas of time.
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Human beings can only find God in one,
The Present !

Always in God's time
David M
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 Posted: Tue Dec 19th, 2006 10:42 pm
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does_what_he_can
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you can buy insulated terminals bout anywhere. i have seen them at home depot, lowes, and radio shack. you can buy slide on non-insulated terminals, but you really need to get the insulated ones to isolate them from anything touching them.

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 Posted: Tue Dec 19th, 2006 10:59 pm
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DavidM
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OK
I thought I had to buy from a service company and get the terminals in pairs as they are on the water solenoids and at the motor control board.

I plan on making new connections within the next few days

tx




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There are 3 areas of time.
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Human beings can only find God in one,
The Present !

Always in God's time
David M
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