Thread Number: 68364  /  Tag: Modern Dryers
Dryer not getting hot. Please help!
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Post# 911036   12/13/2016 at 21:20 (193 days old) by coldtop (Philly)        

The dryer is a Kenmore 80 series gas dryer Model 11072812100 and stopped getting hot.
I replaced the thermostat part # 3387134 and temperature switch 3399639 because both items were not getting continuity.
I also checked the continuity and condition on the following items; high temp thermostat, the heat sensor( cleaned the sensor), the igniter had no cracks or visible damage, two solenoids on the gas valve, and the remaining switches.
I removed the drum and blew out the entire dryer, cleaned the lint duct, felt, and the motor. I sprayed W-D40 on the motor shaft and the wheels. I checked the condition of the belt and tension arm. I saw no loose or damaged wires and all items listed were getting power to them. I reassembled the dryer and it ran like a top. A cold top.





Post# 911054 , Reply# 1   12/13/2016 at 23:02 (193 days old) by MattL (Flushing, MI)        

Does the igniter glow ?  That would be the first thing I'd suspect.  Do you hear the gas valve solenoids clicking when it calls for heat?

 

I had a similar issue last year, tried everything, turned out the gas valve went bad, something I have not seen before.  Picked up a replacement on eBay cheap used...


Post# 911075 , Reply# 2   12/14/2016 at 05:51 (193 days old) by arbilab (Ft Worth TX (Ridglea))        

My Kenmore did that.  The valve coil had continuity but not the right continuity and the valve did not operate.   The interlock between those 2 valves is not exactly straightforward.

 

There's also the motor start/run switch but if the glowbar lights up that confirms the centrif switch IIRC.


Post# 911087 , Reply# 3   12/14/2016 at 07:33 (192 days old) by alr2903 (TN)        
Gas dryer

Last time our dryer had no heat, it was the heat sensor.  I in error suspected the coil igniter.


Post# 911110 , Reply# 4   12/14/2016 at 11:12 (192 days old) by DaveAMKrayoGuy (Oak Park, MI)        
Dave's Laund. Equip. Repairs: Dryer, 3; Washer, 2

daveamkrayoguy's profile picture

On my first repair that my dryer needed, I went from suspecting the ignitor in it, when it wouldn't heat, to discovering when the repairman came it was the thermo-fuse...

 

Then the next repair, it was the ignitor, after-which it had gotten a complete over-haul, and just recently I had replaced the door-switch, though the repair guy let me run the machine without it until he could get the right part...  We then also got the interior light to work again; the connector just wasn't fully threaded into the socket... 

 

 

 

-- Dave


Post# 911576 , Reply# 5   12/17/2016 at 23:31 (189 days old) by askolover (South of Nash Vegas, TN)        

askolover's profile picture

The Frigidaire dryer I recently bought for $20 quit heating and the previous owner didn't want to fool with it.  I thought it was the igniter too, and when I checked continuity in the igniter it registered none.  Got a new igniter...and it also said no continuity.  I went ahead and installed it while I was in there and got to poking around.  I found a thermal fuse that was shot.  I jumped it to test it and the igniter glowed and the gas ignited.  Replaced the fuse and now it's my daily driver. 





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