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Model: FDB750RCS0 Brand: Frigidaire Age: 5 - 10 years
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glavertu  
#1 Posted : Tuesday, August 14, 2012 9:43:17 AM(UTC)
glavertu

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Hi All, I have run into the standard symptom where the wash cycle will not advance when the heater is set to "on" and water is cold. I ended up changing the thermostat (********************.ca part# PS420304) and it still did not work. I then changed the heating element with no success. (i.e. cycle still stuck and water still cold) Is there any way to test the thermostat to see if it is working ? Any advise on what else I need to check ?

I am a newbie....

Thanks a million,

Gardy
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Gene  
#2 Posted : Tuesday, August 14, 2012 4:53:57 PM(UTC)
Gene

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Hi Gardy,

There are two more thermostats: the temperature boost thermostat and the temperature assure thermostat. They both are attached to the tub behind the electrical junction box under the dishwasher. They both can be tested for continuity. When reinstalling these thermostats, apply thermal mastic to the face of the thermostat.

- The temperature boost thermostat Part number: 154227808
Part number: 154227808



- The temperature assure thermostat Part number: 154227805
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glavertu  
#3 Posted : Tuesday, August 14, 2012 9:45:20 PM(UTC)
glavertu

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Interesting...I was not aware of the need for thermal mastic..makes sense though. However, it would be weird that all of them fail. Ok I will test and see...

Thanks again,

Gardy
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Gene  
#4 Posted : Wednesday, August 15, 2012 2:20:29 PM(UTC)
Gene

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Originally Posted by: glavertu Go to Quoted Post
...it would be weird that all of them fail...


Gardy,

Did you test the thermostat you already replaced? Or you were just guessing?

Gene.
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glavertu  
#5 Posted : Thursday, August 16, 2012 12:34:36 PM(UTC)
glavertu

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Actually I did not test the thermostat... I made a educated guess, since the connectors to the thermostat were burned to a crisp., had to cut the cable and replace those connectors before replacing the thermostat. How do I test the thermostats ?

Thanks,

Newbie Gardy
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Gene  
#6 Posted : Thursday, August 16, 2012 1:25:19 PM(UTC)
Gene

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All such parts can be tested for continuity, using a simple multimeter. You can find more information in one of our sticky threads: http://forum.appliancepartspros...er-parts-continuity.html

Gene.
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glavertu  
#7 Posted : Thursday, August 16, 2012 2:54:34 PM(UTC)
glavertu

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Thanks Gene...looks like a need a multimeter....(or I can give up and get a new diswasher...:-)

Thanks again,

Gardy
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