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HomeRepair HelpSpeed Queen Commercial Dryer RepairSpeed Queen Commercial Dryer not heating Repair
Speed Queen Commercial Dryer not heating
If your Speed Queen commercial dryer is running but not heating, the most likely causes are a blown thermal fuse, a faulty drive motor centrifugal switch, failed gas valve solenoids on gas models, incorrect cycle or heat setting, or a bad igniter. A blown thermal fuse is the top culprit and often points to a restricted venting path; test it for continuity with a multimeter before replacing it. Next, the motor’s centrifugal switch can allow the motor to spin but prevent the dryer from calling for heat, which means replacing the whole motor in most cases. On gas models, faulty gas valve solenoids will stop gas flow even if the igniter glows, so check the igniter and valve coils together. Also confirm the dryer isn’t accidentally set to a no-heat cycle. If a multimeter shows the igniter has no continuity, replace it. For the exact replacement part that fits your machine, enter your model number at RepairClinic.com to find the correct thermal fuse, motor, solenoid, igniter, or other parts for your dryer not heating or dryer no heat problem.
01 - Speed Queen Commercial 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 - Speed Queen Commercial 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 - Speed Queen Commercial 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 - Speed Queen Commercial 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
Frequently Asked Questions
Why is my Speed Queen dryer not heating?
How do I test the thermal fuse when my dryer is not heating?
My gas dryer igniter glows but the burner never lights — what failed?
The dryer runs but my clothes stay wet — could the drive motor cause no heat?
How do I enter my model or part number on RepairClinic.com to get the right replacement?
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