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Whirlpool Duet No Heat always "sensing"
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Model: GGW9250PL0 Brand: Whirlpool Age: 1 - 5 years
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jimbonnet  
#1 Posted : Monday, January 19, 2009 10:35:38 AM(UTC)
jimbonnet

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Whirlpool Duet, Gas model. The dryer will no longer leave the "sensing" mode even after 15-20 minutes of running. The dryer does not heat.

Ive checked air flow out out the dryer it is good.

I have not taken off the back cover yet. Is this symptom indicative of a bad thermal cut-out or is this another issue?

Thank you.

Jim
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jimbonnet  
#2 Posted : Monday, January 19, 2009 12:11:04 PM(UTC)
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Ok, Pulled the back. I have continuity across the thermal cutout.
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jimbonnet  
#3 Posted : Monday, January 19, 2009 12:12:49 PM(UTC)
jimbonnet

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Should the thermistor be open or closed? Mine is reading open.
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Drags1998  
#4 Posted : Monday, January 19, 2009 12:21:03 PM(UTC)
Drags1998

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It should have HIGH RESISTANCE, BUT, not open!!!! If its open,replace it.
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denman  
#5 Posted : Monday, January 19, 2009 1:23:52 PM(UTC)
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Here is a tech sheet that might help
https://www.servicematters.com/d...0Sheet%20-%208558723.pdf

Thermistor should be close to 10Kohms.
Make sure to unplug it when measuring.
THIS FORUM IS DEAD!!!!!!!
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jimbonnet  
#6 Posted : Wednesday, January 21, 2009 3:24:39 PM(UTC)
jimbonnet

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Replaced thermistor.. No help..

Dryer still wont move off of sensing position.. Im tracing back to the control board with the diagnostics sheet provided.. Does someone have a board out they could measure resistance across pins 1 and 2 for the sensor?

Per the document:

Otherwise, measure the resistance
across between pins 1 and 2 of
connector P2 on the machine
control board. If a resistance less
than 1 MΩ is measured (with analog
or digital ohmmeter), inspect the
control board for any debris bridging
these pins. If no debris, replace the
machine control electronics.

Im getting nothing for resistance. Before I make a mistake on a 140$ part I'd like to know for sure if anyone knows. Thanks. Nothing is bridging the pins... Other pin combination's due have resistance..
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jimbonnet  
#7 Posted : Wednesday, January 21, 2009 6:13:34 PM(UTC)
jimbonnet

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ok cleaned up the board now its reading properly.. found a bunch of dust on the backside of the board...

still no joy.

started investigating the burner and the ignitor is cracked on the metal portion of the element.. there's a problem..

I'll replace that and see if I get further along
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