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Dryer Not Heating? Here's How to Fix It
Dryer Not Heating? Here's How to Fix It
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✓ Dryer runs but no heat
✓ Takes multiple cycles to dry
✓ Trips the circuit breaker
✓ Clothes still damp after full cycle
✓ Dryer shuts off early
✓ No heat on any setting
Top Causes: Dryer Not Heating
1. Burned-Out Heating Element
The heating element is the most common cause of a dryer with no heat. The nichrome wire coil burns through over time — especially when lint buildup restricts airflow and causes the element to overheat. When the coil breaks, the dryer runs normally but produces zero heat.
Symptoms: Dryer tumbles normally, motor runs, no heat on any cycle, drum cold to the touch.
2. Blown Thermal Fuse
The thermal fuse is a one-time safety device that blows when the dryer overheats — usually from a clogged vent. Once blown, it cuts power to the heating circuit permanently. It's a cheap part but must be replaced to restore heat. Always clean your vent duct after replacing the fuse.
Symptoms: No heat, dryer may still tumble, fuse shows no continuity on multimeter test.
3. Failed High-Limit Thermostat
The high-limit thermostat monitors the temperature at the heating element and cuts power if it gets too hot. When it fails open, it permanently interrupts the heating circuit even at normal temperatures. Often fails alongside the thermal fuse when airflow is restricted.
Symptoms: No heat, element and thermal fuse test good, thermostat shows no continuity.
4. Faulty Cycling Thermostat
The cycling thermostat regulates the operating temperature during a drying cycle by cycling the heating element on and off. When it fails closed, the dryer may overheat and trip the thermal fuse. When it fails open, the dryer produces little or no heat.
Symptoms: Intermittent heat, dryer overheating, or no heat with element and thermal fuse testing good.
5. Tripped Circuit Breaker (240V Issue)
Electric dryers run on 240V using two 120V legs. If one leg of the breaker trips, the dryer motor and controls may still run on the remaining 120V — but the heating element (which requires the full 240V) won't heat. Reset both breaker legs fully before replacing any parts.
Symptoms: Dryer tumbles, timer advances, no heat — check your breaker panel first.
How to Diagnose the Problem
- Check the circuit breaker first. Go to your electrical panel and reset both legs of the dryer breaker fully off then back on. Run a test cycle.
- Test the thermal fuse. Disconnect power. Locate the thermal fuse on the exhaust duct inside the back panel. Test with a multimeter set to continuity — no continuity means it's blown and must be replaced.
- Test the heating element. Remove the element and test across the two terminals. A good element reads 8–12 ohms. No continuity = failed element.
- Test the thermostats. Test the high-limit and cycling thermostats for continuity at room temperature. Both should show continuity when cold. No continuity = failed thermostat.
- Inspect the vent duct. A clogged vent is the root cause of most thermal fuse and element failures. Clean the full duct run from dryer to exterior vent cap before reassembling.
Frequently Asked Questions
Why does my dryer run but produce no heat?
The most common causes are a blown thermal fuse or a burned-out heating element. Both are inexpensive DIY repairs. Start by testing the thermal fuse with a multimeter — it's the quickest test and the most common culprit. See our full dryer not heating guide above for step-by-step diagnosis.
Can I run my dryer without heat to diagnose it?
Yes — running the dryer on an air-only or fluff cycle (no heat) can help confirm whether the motor, drum, and controls are working normally. If the drum tumbles fine but there's no heat on a heated cycle, the issue is almost certainly in the heating circuit (element, thermal fuse, or thermostat).
How much does it cost to fix a dryer that won't heat?
Most dryer heating repairs cost $20–$80 in parts depending on what failed. A thermal fuse is typically $10–$20. A heating element runs $30–$80 OEM or $25–$60 XPart aftermarket. Thermostats are usually $10–$25 each. DIY repair saves $150–$300 in service call fees.
Should I replace the thermal fuse and heating element together?
Yes — strongly recommended. If restricted airflow caused the element to burn out, the thermal fuse almost certainly blew at the same time. Replacing only one part often results in the dryer still not heating. Replace both together and clean your vent duct to prevent recurrence.
Do you ship dryer heating parts across Canada?
Yes — XPart Supply ships OEM and aftermarket dryer parts Canada-wide with fast, reliable shipping from our Canadian warehouse. We've been serving Canadian appliance repair customers since 1996. Contact us if you need help confirming the right part for your model.
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