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Maytag Atlantis MAV8551AWW Over Fills


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5 replies to this topic

#1 Thirstytech

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Posted 21 May 2013 - 07:17 PM

Checked out a Maytag Atlantis today that over fills the basket on the initial fill.

 

What I've checked so far:

 

When it's filling if I disconnect the power (pull the plug out) the water stops

 

I blew into the pressure switch and it stopped filling and started agitating

 

Took the pressure hose off, blew into it and its nice and clear.  Also, put one finger over the end and blew in the other end no noticeable leaks

 

Initially I was thinking the water valve, but was looking for more input.


Edited by Thirstytech, 21 May 2013 - 08:26 PM.


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#2 Samurai Appliance Repair Man

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Posted 21 May 2013 - 08:27 PM

These mechanical pressure switches can also fail by either not switching over (problem with the internal switch contacts) or by going out of calibration (deformed diaphragm).  It sounds to me like the pressure switch has gone out of cal.  

 

Checked out a Maytag Atlantis today that over fills the basket on the initial fill.

 

 

This implies that the subsequent fills are normal.  Is this true?  



#3 Thirstytech

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Posted 21 May 2013 - 08:35 PM

These mechanical pressure switches can also fail by either not switching over (problem with the internal switch contacts) or by going out of calibration (deformed diaphragm).  It sounds to me like the pressure switch has gone out of cal.  

 

 

This implies that the subsequent fills are normal.  Is this true?  

 

Yes, the subsequent fills are normal.  In fact they told me the over fill ONLY happens on the first load after the machine has not been used for a few days.  If they do more loads after the first over fill load the machine performs normally.  I witnessed this myself today.  



#4 RegUS_PatOff

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Posted 21 May 2013 - 08:56 PM

click on picture
Pressure-Switch-22004200-00990250.jpg


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#5 Samurai Appliance Repair Man

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Posted 21 May 2013 - 08:58 PM

It really can only be a bad pressure switch.  If you've already cleared the pressure tube and dome, then all you're left with that can affect this is the pressure switch:  http://www.repaircli...mber=MAV8551AWW

 

Pressure-Switch-22004200-00990250.jpg



#6 Thirstytech

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Posted 21 May 2013 - 09:15 PM

Mucho gracias for the assistance Samurai & RegUS !

 

I will liberate this Maytag with a fresh pressure switch  :dude:






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