Question about Whirlpool WTW5500SQ

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My WTW5500SQ washer has been working properly for the last 1.5 year but now water temp selection is reversed!!! Cold is hot and hot is cold!!! Water hoses in correct position since day one... Any Idea?

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  • slan_l Feb 03, 2010

    The problem is not the water inlet valves nor the tem sensor... It is the electronic controler that read the temp sensor and control the valves....

  • slan_l Feb 09, 2010

    Hi there,



    First, I'd like to mention that I solved my problem by replacing the electronic temp controler (that, by the way, doesn't look like the picture you sent me). This is located inside the machine head and is mecanically connected to the temp selector knob on the front panel. It controls the 2 selenoid valves (hot and cold). I would like to mention that reversing the hoses is not the solution to the problem. Of coarse, by doing this, cold water is flowing when cold water is selected but the problem with this is that it takes an eternity for the tub to fill up!!! Hot valve doesn't have the same capacity (gallon/minutes) as the cold one... So, I had to replace the f.... controler.... For some reason, the controler was still working but with reversed logic! I was not able to find anything wrong with a visual inspection of the controler's PCB.



    I wanted to mention you all this as it might help someone with the same problem asking you for help!

  • slan_l Feb 11, 2010

    No... I found the problem before the esperts...

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3 Answers

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  • Whirlpool Master
  • 8,220 Answers

Your temp switch must be messed up. To replace it is simple. After flipping up the controls and removing the water temp knob, lift the tab in the rear and twist the switch a quarter turn and it pops right out. If you have questions about accessing the controls let me know,
I have repair photos HERE

Posted on Feb 10, 2010

  • Dan Webster
    Dan Webster Feb 10, 2010

    Glad you could get it fixed.

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  • Whirlpool Master
  • 3,740 Answers

An internal failure of the temp control valve would cause the condition that described. Internally there is most likely a contact failure in the water temp control. There is a possibility that there is a wiring problem but it just is pretty far fetched.

This may sound like an odd recomendation but if the machine other wise works normally you will not harm your machine by reversing the hoses on the wall connection.

If you want it back to normal then the water temp control assy. will have to be changed. Item 35 of the following link:

http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5138107&diagram_id=934806#d934806

Close up view:

http://www.appliancepartspros.com/part_details.aspx?part_id=3892216&rdr=%2fpartsearch%2fmodel.aspx%3fmodel_id%3d5138107%26diagram_id%3d934806

The other componets in the circuit are the water level control and the timer. Based on the symptoms you described this is the most likely failure.

If someone pulled the water valve assy loose and cleaned the inlet screens and disconnected and then reversed the wires on the water valve coils when reconnected it would do exactly the same thing as you stated. There is one common wire to both coils (neutral) and 2 hot leads (line). One for the power to the hot coil and one for power to the cold coil that originate at the temp control valve with power supplied from the timer assy that is shut off when the correct water level is reached and the motor is then powered to agitate.

Myself if everything else worked fine.. I would just reverse the wall hoses and be done with it. It is your machine and your choice to leave it alone and switch wall hoses or.... start ordering the part above that is currently working opposite of what it should.


Posted on Feb 03, 2010

  • 1 more comment 
  • Kelly
    Kelly Feb 03, 2010

    Maybe we are not talking about the same model number as you Provided. I don't recall a temp sensor even installed in the model mentioned. Only the timer, temp switch, presure switch and water valves are in the water fill circuit for the model you mentioned. The customer is always right but.... If you know something more can you fill me in please. I did a typo in my original post calling the temp control switch the temp control vavle when it is infact the switch I linked to in my original response. Thanks and lets solve the mystery.



  • Kelly
    Kelly Feb 03, 2010

    Hi, Time for me to be humble. Your machine has a sensor attached to the outlet side of the water inlet valve that controls the temprature mixing. It is actually part of the water inlet vavle itself.



    RH side of water inlet control vale this picture.



    http://www.appliancepartspros.com/part_d...



    You were correct. I still would use it as is and reverse the hoses.

  • Kelly
    Kelly Feb 03, 2010

    Hi, After going back several times you were right. The sensor is part of the water inlet valve itself located RH side of the assy this link.



    http://www.appliancepartspros.com/part_d...



    Again I would not change the part... it just works backward. Swap the hoses and let it go. There is no danger in continued use with this condition.



    Thanks for making me dig deeper. Even we need that occasionally. (called humble pie)

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  • Master
  • 8,619 Answers

Hi

Thanks for using FixYa. This washer is fitted with temperature management which adjusts the water inlets to maintain proper temperature levels. Keeping in view the detergents you should not use very hot water. However, as it is providing water in reverse order then you’ll need to check the water temp sensor and water inlet valve.

Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Posted on Jan 30, 2010

  • Rylee Smith
    Rylee Smith Feb 03, 2010

    If that is the issue then get it replaced.




    Thanks
    Rylee

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