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HomeRepair HelpJenn Air Dryer RepairJenn Air Dryer not heating Repair
Jenn Air Dryer not heating
If your Jenn Air dryer is running but not heating, the most likely culprit is a blown thermal fuse—this safety device opens when the dryer overheats, and a failed fuse usually means restricted venting so check and clean the exhaust and test the fuse for continuity with a multimeter. If the drum spins yet you still have a dryer no heat condition, a faulty centrifugal switch inside the drive motor can run the motor but stop the heat circuit from engaging, which typically requires replacing the motor assembly. On gas models, failed gas valve solenoids or a bad igniter are common reasons a dryer is not getting hot; an igniter that glows but does not ignite points to bad gas coils. Also confirm you’re not on a no-heat cycle or a low-heat setting. For exact replacement parts and diagrams, enter your model number at RepairClinic.com to find the right thermal fuse, drive motor, gas valve solenoids, igniter, or control parts for your specific dryer.
01 - Jenn Air Dryer 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 t...
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02 - Jenn Air Dryer Drive Motor
Most dryer drive motors have a centrifugal switch that energizes a start winding when the motor is first started and closes a heat cycle contact to allow the heat source to work. If the motor's centrifugal switch is faulty, either the motor won’t run or the motor will run but the dryer won’t heat. Since most centrifugal switches are not sold separately, the entire motor will need to be replaced if the switch is defective.
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03 - Jenn Air Dryer 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.
Highly Likely
04 - Incorrect cycle settings
Ensure the dryer is set to the appropriate heat setting. The setting may have been inadvertently changed to a non-heat option.
Highly Likely
05 - Incorrect cycle selected
The dryer setting may have been inadvertently changed to a non-heat option. Confirm the dryer is set to a proper heating option such as "Regular" or "Heavy" to see if that improves drying performance.
Highly Likely
06 - Jenn Air Dryer 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.
Highly Likely
07 - Jenn Air Dryer Heating Element
The heating element warms the air before it enters the dryer drum. Over time, the heating element can burn out, causing the dryer not to heat. To determine if the heating element has burned out, use a multimeter to test it for continuity. If the heating element does not have continuity, replace it.
Common
Frequently Asked Questions
Why is my dryer not heating?
My dryer runs but won’t heat — could the drive motor be the problem?
Why does my dryer overheat and shut off?
How do I test the igniter, thermal fuse, or gas valve solenoids?
How do I enter my model number or part number on RepairClinic.com to find the right replacement part?