Dryer Not Heating? Troubleshooting Guide and Common Causes

A dryer that runs but doesn’t heat is one of the most common appliance problems homeowners face. The drum spins, the motor runs, but your clothes come out damp and cold. The good news is that most dryer heating problems can be diagnosed and fixed in a single visit, and many causes are inexpensive to repair.

911 Appliance Repair has been fixing dryers in San Diego since 1991. This guide walks through the most common reasons a dryer stops heating, how to troubleshoot each one, and when to call a professional.

TL;DR: The most common causes of a dryer not heating are a blown thermal fuse, a broken heating element, a faulty high-limit thermostat, a bad cycling thermostat, or a clogged vent. Most of these parts cost under $50 and can be replaced in under an hour. If your dryer isn’t heating, call 911 Appliance Repair at 800-929-1192 for same-day service in San Diego.

Common Causes of a Dryer Not Heating

1. Blown Thermal Fuse

The thermal fuse is a safety device that cuts power to the heating element if the dryer overheats. Once it blows, the dryer will run but will not heat. A clogged dryer vent is the most common cause of a blown thermal fuse, because restricted airflow causes the dryer to overheat.

How to check: Unplug the dryer, locate the thermal fuse (usually on the blower housing or near the heating element), and test it with a multimeter for continuity. If there is no continuity, the fuse is blown and must be replaced.

Important: Always check and clean your dryer vent before replacing a thermal fuse. If the vent is clogged, the new fuse will blow again.

2. Broken Heating Element

The heating element is the component that actually generates heat in an electric dryer. Over time, the heating coil can break or burn out. When this happens, the dryer runs and tumbles but produces no heat.

How to check: Unplug the dryer, access the heating element (location varies by model, check behind the lower front panel or rear access panel), and inspect the coil for visible breaks. Test with a multimeter for continuity. If the coil is broken or shows no continuity, replace the heating element.

Cost to replace: A heating element typically costs $30 to $100 for the part, plus labor. Total repair cost is usually $150 to $300.

3. Faulty High-Limit Thermostat

The high-limit thermostat is another safety device that shuts off the heating element if the dryer gets too hot. If it fails in the open position, the dryer will not heat. This is often caused by the same airflow problem that blows the thermal fuse.

How to check: Test the high-limit thermostat with a multimeter for continuity. If it shows no continuity at room temperature, it has failed and needs replacement.

4. Bad Cycling Thermostat

The cycling thermostat regulates the dryer’s temperature by turning the heating element on and off. If it fails, the dryer may not heat at all or may heat continuously. This is less common than a blown thermal fuse or broken heating element but does happen.

How to check: Test the cycling thermostat with a multimeter for continuity. Some cycling thermostats have multiple terminals, so check the wiring diagram on your dryer or consult a technician.

5. Clogged Dryer Vent

A clogged dryer vent is the most overlooked cause of dryer heating problems. When lint builds up in the vent, airflow is restricted, the dryer takes longer to dry clothes, and eventually the thermal fuse blows or the high-limit thermostat trips. Even if the vent is only partially clogged, the dryer may not heat properly.

How to check: Disconnect the dryer vent hose from the back of the dryer and check for lint buildup. Check the exterior vent cap outside your home to make sure it opens fully when the dryer runs. If you find significant lint, clean the vent or have it professionally cleaned.

Warning: A clogged dryer vent is a fire hazard. The U.S. Fire Administration reports that clothes dryers cause approximately 2,900 home fires per year, with the leading cause being failure to clean the dryer vent.

6. Gas Valve Solenoid Failure (Gas Dryers Only)

If you have a gas dryer, the gas valve solenoids open to allow gas to flow to the burner. If a solenoid fails, the gas valve won’t open and the dryer won’t heat. This is a common failure on older gas dryers.

How to check: Watch the burner assembly while the dryer runs. If the igniter glows but the burner doesn’t light, one or both gas valve solenoids have likely failed. Replace both solenoids as a set.

7. Faulty Igniter (Gas Dryers Only)

The igniter lights the gas in a gas dryer. If it fails, the gas valve won’t open and the dryer won’t heat. The igniter can crack or burn out over time.

How to check: Watch the igniter while the dryer runs. If it doesn’t glow at all, test it with a multimeter for continuity. If there is no continuity, replace the igniter.

8. Tripped Circuit Breaker

Electric dryers use 240 volts, which means they use two circuit breakers. If one trips, the dryer will run (the motor uses 120V) but won’t heat (the heating element uses 240V). This is a simple fix that doesn’t require any parts.

How to check: Check your electrical panel for tripped breakers. If one is tripped, reset it. If it trips again, there may be a short circuit in the dryer that needs professional diagnosis.

Brand-Specific Dryer Not Heating Issues

Samsung Dryer Not Heating

Samsung dryers commonly fail to heat due to a broken heating element mounted on the front of the dryer. Lint accumulation in the heating element housing causes overheating and element breakage. The thermal fuse and high-limit thermostat are also common failure points. Samsung dryer error codes for heating problems include tE1, tE2, and tE5.

Whirlpool Dryer Not Heating

Whirlpool dryers most commonly stop heating due to a blown thermal fuse on the blower housing. The heating element can also fail, especially on older models. Check the vent for clogs before replacing any parts.

LG Dryer Not Heating

LG dryers use a heating element inside the cabinet. The most common cause of heating failure is a broken heating element or a faulty thermistor. LG dryers may display error codes tE1 or tE2 when the thermistor fails.

Maytag Dryer Not Heating

Maytag dryers commonly fail to heat due to a blown thermal fuse, a broken heating element, or a faulty cycling thermostat. Maytag dryers with the IntelliDry sensor can also fail if the moisture sensor is dirty or damaged.

GE Dryer Not Heating

GE dryers most commonly stop heating due to a broken heating element or a blown thermal fuse. GE dryers with dual heating elements can fail on one element, causing the dryer to heat but take much longer to dry.

How to Troubleshoot a Dryer Not Heating: Step by Step

1. Check the circuit breaker: Make sure both breakers for the dryer are on. Reset if needed.
2. Check the dryer vent: Disconnect the vent hose and check for lint. Clean if needed. Check the exterior vent cap.
3. Unplug the dryer: Always unplug before opening any panels.
4. Locate and test the thermal fuse: Find it on the blower housing or near the heating element. Test with a multimeter for continuity.
5. Test the heating element: Access the heating element and test for continuity. Look for visible breaks in the coil.
6. Test the high-limit thermostat: Test for continuity at room temperature.
7. Test the cycling thermostat: Test for continuity.
8. For gas dryers: Check the igniter and gas valve solenoids.

If you are not comfortable working with electrical components or a multimeter, call a professional. Dryer repair involves high voltage and, on gas dryers, gas components that require safe handling.

When to Call a Professional for Dryer Repair

Call 911 Appliance Repair if:

• You don’t have a multimeter or aren’t comfortable testing electrical components
• You have a gas dryer and suspect a gas valve or igniter problem
• You replaced the thermal fuse and it blew again (indicates a deeper airflow or thermostat problem)
• The dryer vent is long, runs through walls, or you can’t clean it yourself
• You want the repair done quickly with a warranty

Dryer Repair Costs in San Diego

Part	Part Cost	Total Repair Cost (Parts + Labor)
Thermal fuse	$10 – $30	$120 – $200
Heating element	$30 – $100	$150 – $300
High-limit thermostat	$15 – $40	$120 – $220
Cycling thermostat	$20 – $50	$130 – $250
Gas valve solenoids	$20 – $60	$130 – $250
Igniter (gas dryer)	$30 – $80	$140 – $280
Thermistor	$15 – $40	$120 – $220

At 911 Appliance Repair, our $49.95 house call is free when you approve the repair. We provide upfront pricing before any work begins, and every repair is backed by a 1-year warranty on parts and labor.

Preventing Future Dryer Heating Problems

• Clean the lint screen before every load. A clogged lint screen restricts airflow and causes overheating.
• Clean the dryer vent annually. Have the vent professionally cleaned if it runs through walls or is longer than 10 feet.
• Check the exterior vent cap. Make sure it opens fully when the dryer runs and isn’t blocked by debris or animal nests.
• Don’t overload the dryer. Overloading restricts airflow and forces the heating element to work harder.
• Use the right heat setting. Delicate fabrics should use low heat. High heat on every load shortens the heating element’s lifespan.

If your dryer isn’t heating and you need professional repair in San Diego, call 911 Appliance Repair at 800-929-1192. Same-day service is available for most calls, and we stock common dryer parts in our service trucks for single-visit repairs.

Frequently Asked Questions

Why is my dryer running but not heating?

The most common causes are a blown thermal fuse, a broken heating element, a faulty high-limit thermostat, or a clogged dryer vent. Start by checking the circuit breaker and the dryer vent, then test the thermal fuse and heating element with a multimeter.

How much does it cost to fix a dryer that isn’t heating?

Most dryer heating repairs cost between $120 and $300, depending on the part. A thermal fuse replacement is the least expensive at $120 to $200, while a heating element replacement costs $150 to $300. At 911 Appliance Repair, our $49.95 house call is free with repair.

Can a clogged dryer vent cause the dryer not to heat?

Yes. A clogged vent restricts airflow, causing the dryer to overheat. This blows the thermal fuse or trips the high-limit thermostat, which shuts off the heating element. Always clean the vent before replacing a blown thermal fuse, or the new fuse will blow again.

How do I know if my thermal fuse is blown?

Test it with a multimeter set to the continuity setting. If the multimeter shows no continuity (no beep or infinite resistance), the fuse is blown and must be replaced. The thermal fuse is usually located on the blower housing or near the heating element.

Is it worth fixing a dryer that isn’t heating?

In most cases, yes. The most common fixes (thermal fuse, heating element, thermostat) cost $120 to $300, which is far less than buying a new dryer ($500 to $1,200). If your dryer is less than 10 years old and the repair costs less than half the price of a new unit, repair is the better choice.