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Why Is My Dryer Not Heating Up After Cleaning the Lint Trap?

A dryer that tumbles but stays cold often has a failed heating element or a blocked vent. This guide walks you through testing and repair.

Category:Appliances
Difficulty:Moderate
Time:1 hour
Success:50%
Updated:May 30, 2026

quick_referenceQuick Answer

For Why Is My Dryer Not Heating Up After Cleaning the Lint Trap?, start with "Unplug and Access the Heating Element": Unplug the dryer from the wall outlet. Remove the rear access panel (usually ¼-inch hex screws) to expose the heating element housing. Take a photo of the wiring before disconnecting anything. Stop DIY if you are uncomfortable working around 240-volt electrical components. This is listed as a moderate recovery and usually takes about 1 hour.

verifiedGuide Snapshot

Repair areaAppliances
Estimated time1 hour
DifficultyModerate
Stop conditions3

Last updated May 30, 2026. Review the stop conditions before continuing.

account_treeRecovery State

DeviceDryer
Current stateNo Heat
Specific stateHeating Element Failure
Failed stepHeating Element Break
Likely failure typeElectrical Fault
DIY boundaryDIY recovery first
paymentsCost decision

help1. Understand the Problem

When your dryer runs but produces no heat, it's usually due to a faulty heating element, a blown thermal fuse, or a clogged exhaust vent. The lint trap only catches surface lint; deeper blockages in the vent hose or internal ducts can cause overheating and trip safety devices. Testing these components with a multimeter will pinpoint the failure.

build_circle2. Try This First

Best First Step
Unplug and Access the Heating Element

Unplug and Access the Heating Element

Unplug the dryer from the wall outlet. Remove the rear access panel (usually ¼-inch hex screws) to expose the heating element housing. Take a photo of the wiring before disconnecting anything.

visibility3. Visual Guidance

See what's happening and how to try the first recovery step.

1
Test the Heating Element for Continuity
Test the Heating Element for ContinuitySet your multimeter to ohms (Ω). Touch one probe to each terminal of the heating element. A good reading is 5-30 ohms; infinite or zero ohms means the element is broken and needs replacement.
2
Inspect and Replace the Thermal Fuse
Inspect and Replace the Thermal FuseLocate the thermal fuse on the blower housing (small white plastic part with two wires). Test for continuity; if no continuity, replace the fuse with an identical rated part.
3
Check the Vent for Airflow Blockage
Check the Vent for Airflow BlockageWith the vent hose disconnected from the dryer, run the dryer on fluff/air-only. Place your hand near the vent outlet. If little to no air flows, the internal vent path or hose is clogged.

autorenew4. If That Doesn't Work

Try the next recovery options.

Check and Reset the Thermal FuseLocate the thermal fuse on the blower housing, test for continuity with a multimeter, and replace if blown.
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Inspect the Cycling ThermostatTest the cycling thermostat on the heater housing; replace if it fails continuity at room temperature.
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Clean the Full Exhaust Vent PathDisconnect the vent hose from the dryer and wall, use a vent cleaning kit to remove all lint buildup from the duct run.
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Frequently Asked Questions

Can a clogged vent cause the dryer to not heat at all?expand_more
Yes, a severely clogged vent restricts airflow, causing the dryer to overheat and trip the thermal fuse, which cuts power to the heating element.
How do I know if the heating element is bad?expand_more
Visually inspect for any breaks or burn marks. Then use a multimeter; a reading of infinity (OL) indicates a broken element.
Do I need to replace the thermal fuse every time the dryer stops heating?expand_more
Not always, but it's common. If the fuse tests bad, replace it. If it tests good, the issue is elsewhere, such as the heating element or thermostat.

warning5. Stop DIY If

Don't continue if any of these apply.

reportYou are uncomfortable working around 240-volt electrical components
reportThe thermal fuse or heating element has burned/melted wires
reportYou smell burning or see smoke when the dryer runs
Still stuck?Get personalized help with AI Recovery.

Same Device Recovery States

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Dryer No HeatA dryer that tumbles but doesn't heat is often due to a blown thermal fuse, faulty heating element, or broken thermostat. Diagnose step by step.
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Dryer Not HeatingFix a dryer that tumbles but doesn't heat by checking the thermal fuse, heating element, and thermostat.
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Dryer no heatWhen your dryer tumbles but produces no heat, the issue is often a blown thermal fuse, faulty heating element, or clogged vent. Diagnose and fix it step by step.
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Dryer No Heat FixA dryer that tumbles but does not heat often has a faulty heating element, thermal fuse, or thermostat. Here is how to test and replace them.
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Dryer No Heat Drum SpinsYour dryer runs but clothes stay cold and wet. Common causes: a tripped thermal fuse, faulty heating element, or clogged vent. Fix it step by step.
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Dryer Drying Slowly FixA dryer that takes multiple cycles usually has a clogged vent or lint filter. Clean the vent path and check for airflow restrictions.

Similar Failure Pattern

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This page provides general DIY guidance.
If you're unsure, it's always best to consult a professional.