Thread Number: 75500  /  Tag: Modern Automatic Washers
Maytag Neptune 3000 won't complete final spin...
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Post# 993382   5/7/2018 at 08:50 by Dustin92 (Jackson, MI)        

I recently took in a Maytag Neptune 3000 in on trade, and the previous owner said it ran through the cycle fine, but would not go into the final spin. I tested it and it makes an attempt to balance, but never gets to full speed. It just repeatedly distributes, then gives up and starts over. The door is locking, although it seems to take a long time to lock/unlock (compared to our 5500). The machine is in ok condition, although it has seen better days. Not wanting to put a lot into it, but figured I'd post here and see if it could be a simple or inexpensive fix. Otherwise, I'll save what parts I can use on our 5500 and send the rest to the scrap yard.




Post# 993388 , Reply# 1   5/7/2018 at 09:50 by IowaBear (Cedar Rapids, IA)        

iowabear's profile picture

My newer Neptune (6500) exhibited the same behavior and eventually would give up and display a "LR" code.  I researched the problem and it was most commonly fixed by replacing the motor control board.

 

So I took a chance and just bought a used one from ebay for something like $60 or $70.  Super easy repair (just swapped the boards) and it solved the problem.

 

There are a lot of revisions to these boards, you have to make sure you get one that is right for your machine. 


Post# 993389 , Reply# 2   5/7/2018 at 09:53 by DADoES (TX, U.S. of A.)        

dadoes's profile picture
 
There are two microswitches in the door lock mechanism.  One confirms the door is closed (and operates the interior light), the other confirms the lock is engaged.  It won't go into full-spin unless both switches are triggered.  The door locks/unlocks slower because it operates via a wax motor instead of a solenoid.  A common failure is the wax motor goes bad (doesn't lock) and blows a triac(?) on the cycle controller board in the console.  A fellow online offers a DIY kit which includes an updated-style wax motor, a replacement triac, and instructions.  Any 3000/4000 model still with the original-style wax motor should have it replaced ASAP with the updated wax motor (which is less-prone to the problem) before the problem occurs.

Since you say the door does lock, maybe the associated microswitch is bad?

5500/6500/7500 use a solenoid-operated door lock instead of the wax motor and aren't subject to the wax motor issue ... although other door-lock related problems can occur.  I'm not sure when the change to solenoid-lock occurred, maybe some 4000s had it toward end of their production.





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