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GE gas dryer runs, no heat


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9 replies to this topic

#1 Pop-Pop

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    Samanera

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Posted 11 October 2013 - 08:18 PM

GE M#DCVH640GJ1WW gas dryer runs, but does not heat. Vent line was cleaned about a month ago-had a serious lint build up.  So, I'm thinking thermal fuse or high limit T-stat. Checked Hi limit, safety T-stat, thermistor and inlet control T-stat with continuity tester.  All controls good except no continuity on thermistor or inlet control T-stat.  Bought new parts and guess what, they have no continuity either.  [They have not been installed in dryer as of yet.] What is the proper way to test these parts??  Any suggestion where else to look?? Thanks.



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#2 jumptrout

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Posted 11 October 2013 - 08:55 PM

I would check the ignitor.

Does it glow?
http://www.repaircli...er=DCVH640GJ1WW

If not,does it get power to the ignitor?



#3 Pop-Pop

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Posted 11 October 2013 - 09:08 PM

I did not check the ignitor yet. Normally, when a gas dryer is turned on, a "click" can be heard at the start of the heating cycle, or say, changing from air fluff to heat.  I did not hear the click and presumed it was a safety issue.

 

Can you tell me the proper test procedure for the thermistor and inlet control?



#4 RegUS_PatOff

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Posted 11 October 2013 - 10:06 PM

what's the part numbers of what you bought ?

 


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#5 Pop-Pop

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Posted 12 October 2013 - 05:46 AM

WE4M398 Inlet Control T-stat

 

WE4M336 Thermistor



#6 RegUS_PatOff

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Posted 12 October 2013 - 06:04 AM

WE4M398 Inlet Control T-stat

WE4M336 Thermistor

those are both Thermistors

and should read about 100k OHMs at room temperature

http://www.repaircli...hermistor-Parts

 

these are your Thermostats

http://www.repaircli...hermostat-Parts

 

 

 

 

 


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#7 Pop-Pop

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Posted 12 October 2013 - 07:37 AM

I'm getting about 12K on each. More importantly, the resistance drops as the part heats up [holding them between my finger]. So, I believe those are good.  The other T-stats tested good on continuity.

 

The next thing I'll look at is the ignitor.



#8 Pop-Pop

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Posted 12 October 2013 - 01:01 PM

Was able to get back to do more trouble shooting this AM-dryer is at another house. Reinstalled thermistor and inlet control T-stat and rechecked other T-stats. All good.

 

Did continuity reading on ignitor-checked out good. Just to be sure, bypassed belt switch to get dryer to run and ignitor did heat up.

 

Then did readings on coils. Main okay, the second was open between two of the pins.  The last part I Checked.

 

Dropped in a new set......  all is well.

 

Lessons learned: the problem may not be the first thing BUT may be the last thing you check!  Also, check ALL possible parts the first time around and then,double check.

 

Thanks to all who gave input.



#9 jumptrout

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Posted 13 October 2013 - 07:29 AM

Glad you got it working Pop Pop.

Many of us would probably gone straight to the ignitor first.

If it works you then check coils and gas valve and gas supply.

If it did not work,we would back tyrack through other components.

Well,I don't really know about what "many" of us would do.

That is what I would do.



#10 Pop-Pop

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Posted 13 October 2013 - 10:32 AM

Thanks.......I actually had the clue in my original observations as mentioned in post #3. The "click" I was not hearing was the dead solenoid.

 

In thinking back over this, I realized I approached this with a preconceived notion that it was a thermal cut out problem because the tenant had been using the dryer for quite a while with the vent line loaded  with lint......."it takes several cycles to get my clothes dry". The dryer chassis was pretty "linty" too, which we cleaned out.  [Any one else thinking dryer fire????]






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