Dryer Not Hot Anymore: Troubleshooting Guide (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, check if the dryer is plugged in and the circuit breaker hasn't tripped. Clean the lint filter and ensure the vent is clear. If the problem persists, inspect the heating element and thermostat.

Confirm the symptom

Dryer tumbles but doesn't produce heat.
Clothes remain wet or damp after a full cycle.
Dryer makes noise but doesn't heat up.
Dryer takes much longer than usual to dry clothes.
No error codes displayed on the control panel.

Tools and prep

Screwdriver (Phillips and flathead)
Multimeter
Vacuum cleaner with a hose attachment
New dryer belt (if needed)
Work gloves
Turn off power to the dryer at the circuit breaker.
Allow the dryer to cool down completely before starting work.

Step-by-step troubleshooting

Check Power Supply
Do: Ensure the dryer is plugged in and the outlet is working.
Observe: Check if the dryer is receiving power.
Means: The dryer should power on and the display should light up.
Next: Check the Lint Filter
Check the Lint Filter
Do: Locate and remove the lint filter.
Observe: Check for excessive lint buildup.
Means: The filter should be clean and free of debris.
Next: Clean the Vent
Clean the Vent
Do: Disconnect the vent from the dryer and use a vacuum to clean it.
Observe: Look for blockages or restrictions in the vent.
Means: The vent should be clear and allow good airflow.
Next: Inspect the Heating Element
Inspect the Heating Element
Do: Access the heating element and check for visible damage.
Observe: Look for breaks or burns on the element.
Means: The element should be intact and not damaged.
Next: Test the Heating Element
Test the Heating Element
Do: Use a multimeter to test the heating element for continuity.
Observe: Check the multimeter reading.
Means: A reading of zero or infinite resistance indicates a faulty element.
Next: Check the Thermostat
Check the Thermostat
Do: Locate the thermostat and test it with a multimeter.
Observe: Check for continuity when the thermostat is engaged.
Means: The thermostat should have continuity when heated.
Next: Inspect the Thermal Fuse
Inspect the Thermal Fuse
Do: Find the thermal fuse and check for continuity with a multimeter.
Observe: Look for a blown fuse.
Means: The fuse should have continuity if it's functional.
Next: Check the Drive Belt
Check the Drive Belt
Do: Inspect the drive belt for wear or damage.
Observe: Look for cracks, fraying, or excessive wear.
Means: The belt should be in good condition and properly aligned.
Next: Test the Motor
Test the Motor
Do: Use a multimeter to test the motor for continuity.
Observe: Check the multimeter reading.
Means: The motor should have continuity if it's functioning properly.
Next: End of Troubleshooting

Common causes

Cause	Likelihood	Difficulty	Part often needed
Clogged Vent Restricts airflow, causing the dryer to overheat and shut off.	Common	Easy	None
Faulty Heating Element Burns out over time and stops producing heat.	Common	Medium	Heating Element
Defective Thermostat Regulates temperature and can fail, preventing heat.	Sometimes	Easy–Medium	Thermostat
Blown Thermal Fuse Acts as a safety device and blows if the dryer overheats.	Sometimes	Medium	Thermal Fuse
Worn Drive Belt If the belt is damaged, the drum may not turn efficiently.	Sometimes	Easy–Medium	Drive Belt
Faulty Motor If the motor fails, the dryer won't produce heat.	Rare	Hard	Motor

Parts matching

If your dryer is not heating, you might need to replace one of the following parts.

Heating Element: Produces the heat to dry clothes.
Thermostat: Regulates the temperature inside the dryer.
Thermal Fuse: A safety device that shuts off the dryer if it overheats.
Drive Belt: Turns the drum and ensures proper airflow.
Motor: Powers the drum and the blower fan.

Always ensure you have the correct part number for your specific dryer model before purchasing replacements.

When to call a professional

If the dryer still doesn't heat up after troubleshooting.
If you're not comfortable working with electrical components.
If the dryer shows error codes that you don't understand.
If you suspect a gas leak (for gas dryers).
If the dryer is making unusual noises or smells.
If the dryer is under warranty.

FAQ

Why is my dryer not heating but tumbling?

This could be due to a faulty heating element, thermostat, or thermal fuse. Check these components as outlined in the steps above.

Can I use my dryer if it's not heating?

It's not recommended. Running the dryer without heat can damage clothes and may indicate a safety issue that needs to be addressed.

How often should I clean the dryer vent?

Clean the dryer vent at least once a year to prevent lint buildup and ensure proper airflow.