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TroubleshootingAugust 10, 2026•5 min read
Why Is Your Electric or Gas Dryer Not Heating?
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Arthur DavisLead Laundry Specialist
Verified San Diego Master Tech
Understanding Dryer Heating Failures
When your clothes dryer tumbles without producing heat, the underlying cause depends on whether your unit is electric or gas powered. Both systems rely on precise thermal safety cutouts to prevent overheating.
Electric Dryer Heating Troubleshooting
Electric dryers run on 240V power with heavy-duty heating elements:
- Thermal Fuse: A blown thermal fuse cuts power to the heating element immediately when air exhaust temp exceeds safety limits (usually caused by vent blockage).
- Burnt Heating Element: Coils break over time due to thermal fatigue and can no longer complete the electrical circuit.
- High-Limit Thermostat: A faulty thermostat trips prematurely, cutting heat short during the drying cycle.
Gas Dryer Heating Troubleshooting
Gas dryers utilize a gas valve assembly with igniter coil ignition:
- Gas Valve Solenoid Coils: Worn coils fail when warm, shutting off the gas flame after 2–3 minutes of initial operation.
- Silicon Carbide Igniter: The igniter must glow bright orange to trigger the gas valve opening; if cracked, gas will not ignite.
Safety Tip: Over 80% of dryer heat failures are caused by clogged exterior ductwork. Clean your exhaust vent annually!
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