Dryer Not Heating? Check These Before You Buy a Part
A dryer can tumble happily while producing no heat at all, because the motor and the heat source are powered and protected separately. That makes the first checks quick, and it explains why a blown fuse often means a blocked vent.
Quick answer
Run the empty dryer on a heated timed cycle for 5 minutes. If it is cold, make sure you did not pick an air-only cycle. On an electric dryer, look for a half-tripped breaker: it runs on a 240-volt double breaker, and the drum can turn with only one side working. On a gas dryer, the valve handle should be parallel to the pipe. Beyond that, a fuse, element or igniter has failed, often due to a clogged vent.
- Difficulty
- Moderate DIY
- Quick test
- Empty dryer, heated cycle, 5 minutes
- Electric dryers
- Need 240 V on two breakers; check both
- Gas dryers
- Valve handle parallel to the pipe means open
- Root cause to fix
- A clogged vent that overheats the dryer
On this page
“Not heating” and “not drying” are different problems. A dryer that is warm but takes two cycles almost always has an airflow problem; that is covered in why a dryer isn’t drying. This guide is for the dryer that tumbles and stays cold.
Prove it is not heating
Maytag’s test: choose a heated timed cycle, run the empty dryer for 5 minutes, then open the door and feel the drum and air. Warm means it heats; your problem is airflow or load size. Cold means work through the list below.
Electric dryer: start at the panel
- Check the cycle.
Air Only and Air Fluff cycles never add heat. So do some delicate settings at their lowest temperature.
- Check both breakers.
Electric dryers run on 240 volts through a double (two-pole) breaker, usually 30 amps. One side of the supply runs the motor; both sides are needed for the heating element. If one side trips, or one of two cartridge fuses blows in an older panel, the drum still turns but the dryer stays cold. Switch the breaker fully off, then back on.
- Check the cord and outlet.
A loose or burned terminal at the dryer’s cord connection can drop one side of the supply. Unplug the dryer before you look. Scorch marks or melted plastic mean a call to a technician or electrician.
Gas dryer: start at the valve
- Check the gas valve.
Behind the dryer, the shutoff valve is open when its handle is parallel to the gas pipe. A closed valve leaves the drum turning with no heat.
- Check the gas supply.
If other gas appliances are also out, or a propane tank is empty, the dryer cannot heat either.
- Watch the burner.
Many dryers have a small window or removable panel near the burner. A glowing igniter that never lights the flame points to the gas valve coils; no glow at all points to the igniter or a safety fuse. Both are technician territory.
Smell gas? Do not touch light switches or the dryer controls. Leave the house, then call your gas utility or 911 from outside. See what a rotten-egg smell means.
Inside the dryer: parts that cut the heat
| Part | What it does | What failure looks like |
|---|---|---|
| Thermal fuse | One-time safety cutoff if the dryer overheats | No heat at all; on many models the dryer will not run at all |
| High-limit thermostat | Cuts heat when the exhaust gets too hot | No heat, or heat that cycles off early |
| Heating element (electric) | Coil that heats the air | No heat; a visible break in the coil |
| Igniter (gas) | Glows to light the burner | No glow, no flame |
| Gas valve coils (gas) | Open the gas once the igniter is hot | Igniter glows, then goes out with no flame |
| Cycling thermostat or sensor | Regulates drum temperature | Too hot, too cool or erratic drying |
Each of these sits behind the dryer’s panels, near wiring and, in gas models, the gas train. Replacing them is a common appliance repair, but unplug the dryer (and shut off the gas) before any panel comes off, and use a technician if you are not comfortable with a multimeter.
Why the vent matters even when the dryer is cold
A thermal fuse or high-limit thermostat rarely fails on its own. It trips because the dryer got too hot, and the usual reason is restricted airflow: a full lint screen, lint packed inside the cabinet, or a vent that is crushed, too long or blocked at the outside hood. Replace the fuse without clearing the vent and it will blow again.
The airflow problem is also a fire problem. The U.S. Fire Administration advises cleaning the lint filter before and after every load, cleaning lint from behind the dryer, checking that the vent is not damaged, crushed or restricted, and making sure the outdoor vent flap opens when the dryer runs. Maytag recommends cleaning the vent run every one to two years, or sooner if drying slows.
When to call a technician
- Any gas valve, igniter or burner work beyond opening the shutoff valve.
- Burned terminals or a scorched cord at the back of the dryer.
- A breaker that trips again as soon as the dryer starts.
- A thermal fuse that keeps blowing after the vent is cleaned.
Frequently asked questions
Why does my dryer spin but not heat?
Because the motor and the heat source are separate. In an electric dryer, the motor runs on one leg of the 240-volt supply, so a half-tripped breaker or a blown household fuse can leave the drum turning with no heat. In a gas dryer, a closed gas valve or a failed igniter does the same. Inside the dryer, a blown thermal fuse, failed heating element or bad thermostat can cut the heat while the motor keeps running.
What blows a dryer thermal fuse?
Overheating, usually from restricted airflow: a full lint screen, lint packed inside the dryer, or a crushed, too-long or blocked vent. Replacing the fuse without fixing the airflow means it will blow again, and more importantly, the dryer is running hot enough to be a fire risk.
Can I bypass the thermal fuse to test the dryer?
Do not. The thermal fuse is a safety device that shuts the dryer down when it overheats. Running a dryer with it bypassed removes protection against a lint fire.
Why is my gas dryer not heating after I moved it?
The gas shutoff valve may have been closed, or the flexible gas line kinked when the dryer was pushed back. Open the valve so the handle is parallel to the pipe and check the line. If you smell gas, leave and call your gas utility from outside.
How long should a dryer last?
InterNACHI lists about 13 years. On an older dryer, a heating element or igniter repair can still be worthwhile, since those parts are inexpensive compared with a new machine.
Sources
- Dryer is Not Heating Maytag
- Not Heating: Gas Dryer Maytag
- Clothes Dryer Fire Safety (flyer) U.S. Fire Administration (FEMA)
- Standard Estimated Life Expectancy Chart for Homes International Association of Certified Home Inspectors (InterNACHI)
First published October 7, 2026. Last reviewed October 7, 2026. Spot an error? Tell us and we will check it against the source.