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Model: GLEQ2152ES Brand: Frigidaire Age: 1 - 5 years
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agarberg  
#1 Posted : Wednesday, March 25, 2009 2:45:22 PM(UTC)
agarberg

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Hey everyone! Thanks in advance for any help you can give.

I have a (about) 3 year old frigidaire dryer that hasnt had any heat for about the last year. This model has 2 bigger wires going to a relay on the back of the control board that runs the heater. I originally wired my own switch and used that to get some heat and anytime the switch is on, the heater heats up good and hot.

I had thought that this problem was caused by a bad control board, so that was replaced recently. After replacement I ran some clothes through it, stuck my hand in there after it was running for a few mins and it was warm!

So...good to go right? Nope. =(. The heat hasnt come on since.

I have since ohmed out the 2 temp sensors that are right next to eachother, both read 0ohms. I have ohmed the heating element and get 12 ohms. I have taken it apart again and verified that the heater will activate if switched manually.

So...my questions are : What else could cause this? Did i have a damaged control board and damage my new one already due to another problem? Is there any other sensor, thermal limiter or ?? that could be causing this?

I am a auto tech by trade, so I am very lost in the world of appliances...help!!


Thanks all!
Adam
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agarberg  
#2 Posted : Wednesday, March 25, 2009 4:42:40 PM(UTC)
agarberg

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Ok, update already...
I checked my thermister. I had no clue there was another sensor until I just looked at the wiring diagram again.

Anyways, i got 12kohms @ room temp (65 or so). My tech sheet shows 50kohm as a spec.

Is this far enough out to cause it? What temp does the tech sheet refer to?
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Gene  
#3 Posted : Wednesday, March 25, 2009 5:03:57 PM(UTC)
Gene

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The thermistor is the culprit.

- The part number for the thermistor is AP3866842

Here are the break down diagrams and Replacement parts for FRG GLEQ2152ES0 | AppliancePartsPros.com

Gene.
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agarberg  
#4 Posted : Monday, March 30, 2009 8:11:07 PM(UTC)
agarberg

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Thank you! Got it and installed today...perfect!!

For the record, the new thermister was 50kohms @ room temperature.
I used a potentiometer in place of the thermister to verify this, just adjust the pot to your temp spec and see if the heat comes on!

Thank Gene!
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Gene  
#5 Posted : Tuesday, March 31, 2009 10:58:59 AM(UTC)
Gene

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You are welcome. I'm glad you were able to fix it.

Gene.
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