Dryer Won't Get Hot (Troubleshooting Guide)

On this page

Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

First, ensure the dryer is set to a heat cycle and the vent is clear. If it still doesn't heat, check the thermal fuse, heating element, and thermostat.

Confirm the symptom

Dryer runs but clothes remain damp
No warm air coming from the vent
Timer advances but no heat
Dryer makes noise but no heating

Tools and prep

Screwdrivers (flathead and Phillips)
Multimeter for testing electrical components
Work gloves for safety
Vent cleaning brush or vacuum
Owner's manual for reference
Turn off power at the circuit breaker before starting

Step-by-step troubleshooting

Check Dryer Settings
Do: Verify the dryer is set to a heat cycle and not in air-fluff mode.
Observe: Dryer should switch to heating mode.
Means: Incorrect settings can prevent heating.
Next: If settings are correct, proceed to the next step.
Clean the Vent and Lint Trap
Do: Remove the lint trap and clean it thoroughly. Use a brush or vacuum to clear the vent duct.
Observe: Vent should be free of lint and blockages.
Means: Blocked vents reduce airflow and heating efficiency.
Next: If vent is clear, move to the next step.
Check the Thermal Fuse
Do: Locate the thermal fuse (usually near the heating element) and test it with a multimeter.
Observe: Multimeter should show continuity if the fuse is working.
Means: A blown thermal fuse stops the dryer from heating.
Next: Replace the thermal fuse if it's faulty.
Inspect the Heating Element
Do: Remove the back panel and visually check the heating element for damage or burnout.
Observe: Heating element should be intact and not broken.
Means: A broken heating element won't generate heat.
Next: Test the heating element with a multimeter if it looks damaged.
Test the Thermostat
Do: Use a multimeter to test the thermostat for continuity.
Observe: Thermostat should show continuity when cold.
Means: A faulty thermostat can prevent the heating element from activating.
Next: Replace the thermostat if it's not working.
Check the Timer or Cycle Selector
Do: Test the timer or cycle selector for continuity using a multimeter.
Observe: Timer should show proper continuity in heating cycles.
Means: A faulty timer might not send power to the heating element.
Next: Replace the timer if it's defective.

Common causes

Cause	Likelihood	Difficulty	Part often needed
Thermal Fuse Failure The thermal fuse blows to prevent overheating if the dryer gets too hot.	Common	Easy	Thermal Fuse
Broken Heating Element The heating element can burn out over time or due to power surges.	Common	Easy–Medium	Heating Element
Clogged Vent or Lint Trap Lint buildup restricts airflow, causing the dryer to overheat and shut off the heating element.	Common	Easy	N/A
Faulty Thermostat The thermostat might fail to send power to the heating element.	Sometimes	Easy–Medium	Thermostat
Defective Timer or Cycle Selector The timer might not switch to the heating circuit during the cycle.	Sometimes	Medium	Timer/Cycle Selector
Power Supply Issues Inadequate power supply or tripped circuit breaker can prevent heating.	Rare	Easy	N/A

Parts matching

Common parts needed for a dryer that won't get hot include:

Thermal Fuse - A small, inexpensive fuse that protects against overheating.
Heating Element - The component that generates heat in the dryer.
Thermostat - Regulates the temperature during the drying cycle.
Timer/Cycle Selector - Controls the dryer's operation and heating cycles.

Always refer to your dryer's manual to ensure you're using the correct replacement parts.

When to call a professional

If you're not comfortable working with electrical components
If the dryer still doesn't heat after replacing all suspect parts
If the problem involves complex electrical or gas connections
If the dryer is under warranty and you don't want to risk voiding it

FAQ

Why is my dryer running but not heating?

This is often due to a blown thermal fuse, a faulty heating element, or a clogged vent. Check these components first.

How do I test a thermal fuse?

Use a multimeter to test for continuity. If there's no continuity, the fuse is blown and needs replacement.

Can a clogged vent cause the dryer to stop heating?

Yes, a clogged vent restricts airflow, causing the dryer to overheat and shut off the heating element for safety.

Is it safe to replace the heating element myself?

Yes, if you follow safety precautions and have the right tools. Always turn off the power before starting.