Dryer runs but no heat

I have gone through the trouble shooting guide to the point where the control electronics needs to be replaced. Interesting side not: if I unplug the unit for a few minutes and pug it back in, the dryer works for one cycle before the heat goes off again.

Any other suggestions?

I checked the venting and is clear.

Thermal fuse is good as is the high limit thermistor. Propane gas line is open and not kinked anywhere.

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Bob Leavitt , Gas dryer no heat. Just a thought unplug it for a day and then plug it back in, this way for sure all capacitors etc, will have drained down to do a good reset. Other potential problem faulty home gas valve(no pressure, have tested), check all wire connections for corrosion/loose/damage at control,etc., thermal fuse, gas valve, gas valve solenoid coils, igniter, etc.. I believe the links below may help in trouble shooting your dryers problem. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

https://www.youtube.com/watch?v=pkVjWwIc...

https://www.youtube.com/watch?v=e5e_3ebv...

https://www.youtube.com/watch?v=7KaMwV85...

http://www.searspartsdirect.com/partsdir...

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Looks like the coils need to be replaced. I haves ordered them and will report back. Unit ignites, but goes out after a few seconds.

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@rpleavitt1, Bob, Yes, if you already verified vent clean, thermal fuse and limit switches good and a lazy flame is not overheating high limit(low gas flow), wire connections all good, then probable coils. Thanks for posting back. Good luck with your dryer.

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Most Helpful Answer

Cause 1

Thermal Fuse

The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check the dryer venting when replacing a blown thermal fuse.

Cause 2

Gas Valve Solenoid

Gas dryers have two or more gas valve solenoid coils. The gas valve solenoids open the gas valve ports to allow gas to flow into the burner assembly. If a gas valve solenoid fails, the dryer won’t heat. To determine if one or more of the gas valve solenoids has failed, check the igniter. If the igniter glows and goes out but does not ignite the gas, the gas valve solenoid is defective. If one or more of the gas valve coils are defective, we recommend that you replace them as a set.

Cause 3

Igniter

The igniter uses heat to ignite the gas in the burner assembly. If the igniter is not working, the gas will not ignite, preventing the dryer from heating. To determine if the igniter has burned out, use a multimeter to test the igniter for continuity. If the igniter does not have continuity, replace it.

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