Question about Kenmore 72872 Gas Dryer

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I have an older Kenmore gas dryer model # 97260100 it heats up for 15 minutes then goes cold, drum continues to run can u give me any insight as to what needs to be replaced

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The problem is either of the cycling thermostat, high-limit thermostat or the gas valve solenoid coils sitting on top of the gas valve assembly. Disconnect power then verify any of these condition by bypassing the thermostats. Refer to the image below and locate the thermostats.
I have an older Kenmore gas dryer model # 97260100 - jahn27_16.jpg
Note: This is an image of an electric dryer but the thermostat and the thermal cut-off (cut-out) locations are the same.

Disconnect each of the thermostat wires then connect and insulate them properly. Once done, reconnect power and start the dryer. The gas valve solenoid coils are indeed faulty and both need to be replaced if the problem still persists. Click here for the procedure in replacing the solenoid coils.

Gas Valve Solenoid Coils Replacement Procedure

Either or both of the cycling thermostat and the high-limit thermostat are malfunctioning if the dryer continues to heat up with the thermostats bypassed. Disconnect power then reconnect the cycling thermostat wires but keeping the high-limit thermostat bypassed. Reconnect power then start the dryer. The high-limit thermostat is the culprit if the dryer continues to heat up. If not, then the cycling thermostat is the culprit.

Also do the other way; that is reconnecting the high-limit thermostat wires but keeping the cycling thermostat bypassed. The cycling thermostat is the culprit if the dryer continues to heat up. If not, then the high-limit thermostat is the culprit.

Replace the faulty thermostat and it should solve the problem.

Posted on Nov 09, 2010

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Posted on Jan 02, 2017

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1 Answer

What is wrong with my gas dryer ? no heat and wn't shut off.


FIRST OFF IN THE AUTO DRY MODE THE DRYER USES THE MOISTER SENSOR AND AS LONG AS THE MOISTER SENSOR DOES NOT DETECT HEAT OR DRIED CLOTHES IT WILL CONTINUE TO RUN FOREVER.

NEXT AS FOR UR NO HEAT:

ELECTRIC Dryer no heat or little heat, or shuts down to fast:

Check your venting and lint basket. Check blower for lint build up and blower wheel obstruction., test by trying to turn the wheel manually by hand (should be easy) May have to remove cabinet or front/back plate to get to it)

Next check the heating element itself with a meter for continuity OHMS CLOSED CIRCUIT. If not its defective or has a short if its grounding out? Which in turns causes blown fuses or thermostats or overheating.

Check dryer Terminal block prongs both outside prongs should give combined 220, and 110 each if u check 1 outside & 1 center (ground) prong. Also check house electrical outlet for full voltage. 220 because if u only get half or 110 volts you will be able to run the machine which uses only 110 to run motor but not the heater which uses a full 220,

Check the thermal cut off, the cycling and the hi limit thermostats.
For continuity or OHMS. If no ohms or resistance they need replacement.

In some dryer's the control panel relies on a thermistor rather than a CYCLING thermostat to regulate the drum's air temperature by monitoring the component's resistance changes; resistance goes down as temperature increases and up when temperature decreases. Once the drum's air temperature reaches a certain level required to dry clothes, the control panel shuts off the heater. The panel will turn the heater on again and begin another heating cycle when the thermistor indicates that more heat is needed to keep the air temperature constant inside the drum

Lastly check your moister sensor. ( located inside the dryer door usually) Especially if machine seems to shut down early and clothes are still wet.
Test with a meter at room temperature and it should show continuity.
A failed moisture sensor will affect the dryer run time in the automatic moisture sensing cycle but it will not affect the heating of the dryer or the timed cycle. Which are reflected by the thermostats.

Read more :http://www.ehow.com/info_12203962_check-dryer-thermistor.html

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1 Answer

I have a gas dryer and the trouble is it will ignite and stay for about 10 seconds then go out. The dryer will continue to run and about 15 minutes will ignite again stay for 10 seconds and go out. This...


Hi,

If you are having problems with your gas dryer not heating the most common problem is that the ignitor goes bad. Even though it glows sometimes it is still not working properly.


if you dryer is gas check out this gas no heat tip....


If you have an electric dryer, you can have many different things that can go wrong causing the dryer not to heat.


check out this electric no heat tip...

heatman101



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1 Answer

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if the dryer runs normal for the first 15 to 30 minutes you have bad gas coils located on the top of the gas valve,take out the 2 phillips screws,remove the top cover and change out the gas coils.when the coils are failing they will work until they heat up then they stop letting the gas come into the dryer,when they cool down then they will work again.change out the gas coils part number 279834

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This sounds like a problem with your fan motor. The dryer is getting too hot and the gas is shutting off until it cools down. That fan keeps the dryer cool by moving the heat to the clothes in the drum.
You can easily check this by feeling for air flow in front of the exhaust vent outside. No air movement = fan problem = heat shut off in 10 minutes. Good luck

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