Thread Number: 84899  /  Tag: Vintage Dryers
1999 Frigidaire Gas dryer
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Post# 1093644   10/18/2020 at 17:02 (891 days old) by akronman (Akron/Cleveland Ohio)        

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Hi all, I"m fixing a friends's dryer, limited visits during Covid, so I haven't stayed around for an entire cycle. Gas starts and heats for quite a few minutes, it seems as though once it kicks off for 1st achieving temp, it never heats again. I took off the front and cleaned tons from the lint screen at the bottom of the door all the way to the blower, very full of lint. Darn clean everywhere else for 21 years old, and he already cleaned the vent and we checked the very strong stream coming outside the house.. So I suspect the one and only thermo.
Dryer is FDG336RES1, the thermo on the blower housing is one of Frigidaire's infamous multi wire #131534900, supposedly NLA after just 21 years? I think 5 wires? is there a substitute? The dial claims Hi Med Low heat, frankly he'd be happy with a SAFE high-heat only, I don't know what thermo to suggest. Is this a safety limit and 3 temp cycling thermo all in one?





Post# 1093645 , Reply# 1   10/18/2020 at 17:18 (890 days old) by akronman (Akron/Cleveland Ohio)        
upon further review

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I've searched all the diagrams, there's also a high limit thermo mounted behind the drum's back. Is this the guilty party?
5308015399

Also, he'll end up running the dryer for 3 hours without heat to dry the clothes. 3 days later, it will heat again for one warming 5 minutes, then cut out for hours. Now I'm thinking safety thermo mounted behind the drum's rear perforated back.
Hmmmmm


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This post was last edited 10/18/2020 at 19:43
Post# 1093648 , Reply# 2   10/18/2020 at 17:55 (890 days old) by eronie (Flushing Michigan)        

Change the coils on the has valve, easy fix!

Post# 1093714 , Reply# 3   10/19/2020 at 11:24 (890 days old) by akronman (Akron/Cleveland Ohio)        
I appreciate any input

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Thanks eronie, but can I ask why you think it's the gas valves instead of either thermostat? I ask to learn--
Thanks
Mark


Post# 1093732 , Reply# 4   10/19/2020 at 13:58 (890 days old) by eronie (Flushing Michigan)        

If it was the thermostats, either the high limit or the operating it wouldn't heat up at all.
What happens is the coils heat up because one of them is shorted.
After they heat up the coil opens and valve will not pass gas,no fire.
After a few hours they cool off and will work again for a bit.
Easy and cheep fix around 15$ just replace them both.


Post# 1093755 , Reply# 5   10/19/2020 at 16:38 (890 days old) by akronman (Akron/Cleveland Ohio)        
Thank you

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That's pretty much EXACTLY how it's behaving, THANK YOU for the explanation!

Post# 1094494 , Reply# 6   10/25/2020 at 15:55 (884 days old) by akronman (Akron/Cleveland Ohio)        
Thank you

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Coils replaced today, dryer now heating like new!
THANK YOU


Post# 1094561 , Reply# 7   10/25/2020 at 21:22 (883 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
Non Heating Gas Dryer

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Good advice Tony, bad valve coils are probably the most common reason modern gas dryer quit heating properly, we buy about 50 valve coil sets at a time when I reorder parts.

 

John L.


Post# 1094564 , Reply# 8   10/25/2020 at 21:44 (883 days old) by Maytag85 (Sean A806)        

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I never had gas valve coils go bad but Iíve had dealt with weak high limit thermostats before and the dryer will still work but will cycle off the heat sooner than it should causing long drying times and had that problem with my Kenmore portable dryer 3 years ago.

Post# 1094610 , Reply# 9   10/26/2020 at 08:08 (883 days old) by d-jones (Western Pennsylvania (Pittsburgh Area))        

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A dryer built in 1999 is being discussed in the Imperial forum? I feel so old now. Where has the time gone? frown



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