Dryer Not Heating

Dryer Not Heating

 Dryer Not Heating

Price: $7.95

The Dryer Runs, The Drum Turns — But The Air Is Cold

You load the dryer, set the cycle, and press start. The drum turns. You can hear the motor running. An hour later, you open the door and the clothes are exactly as wet as when they went in. The dryer is going through all the motions without producing any heat.

This is the most common dryer fault, and in the majority of cases it’s caused by a single inexpensive component.

Common Symptoms

  • Dryer runs but produces no heat

  • Clothes take two or three cycles to dry

  • Dryer gets warm then goes cold

  • Dryer blows cold air only

  • Dryer runs for a few minutes then stops

  • Thermal fuse keeps blowing

Possible Causes

The heating system is a chain of components wired in series — if one fails, the whole chain goes cold:

  • Thermal fuse — a one-time safety device that blows when the dryer overheats. Most common cause by far.

  • Heating element — the coil that produces heat, which burns out with age

  • Cycling thermostat — regulates the drying temperature

  • High-limit thermostat — a backup safety cut-out

  • Igniter and flame sensor — on gas dryers

  • Blocked vent — restricted airflow causes overheating, which blows the thermal fuse

What the Guide Covers

This 15-page diagnostic guide walks through the heating circuit in order:

  • Checking and cleaning the lint filter and vent duct

  • Testing the thermal fuse with a multimeter

  • Testing the heating element for continuity and shorts

  • Testing the cycling and high-limit thermostats

  • Gas dryer: testing the igniter, flame sensor, and gas valve solenoids

  • Diagnosing the control board and timer

  • Vent and airflow inspection

  • Complete repair cost reference

What You’ll Learn

You’ll learn how to test each component in the heating chain, identify the failed part, and replace it yourself. You’ll also learn the critical detail most people miss — that a blown thermal fuse is always caused by restricted airflow, so cleaning the vent matters as much as replacing the fuse.

Repair or Bin?

A thermal fuse costs $10 to $15. A heating element costs $40 to $80. These are obvious repairs on almost any dryer.

The guide includes a repair-versus-replace framework for the more expensive faults, including gas valve failure and control board faults on older machines.

Frequently Asked Questions

Why does my dryer run but not heat?
The most common cause is a blown thermal fuse. It’s a one-time safety device that cuts power to the heating circuit when the dryer overheats — usually because the vent is blocked.

Can I replace a dryer thermal fuse myself?
Yes. It’s a straightforward part swap on most dryers, costing $10 to $15. But you must also clean the vent, or the new fuse will blow within days.

How do I test a heating element?
With a multimeter set to continuity or resistance. A good element reads 20 to 50 ohms. An infinite reading means it has burned out.

Is a gas dryer repair safe to do myself?
Electrical testing of the igniter, flame sensor, and solenoids is safe with the power off. Do not disconnect or adjust any gas line — that requires a licensed gas fitter.

Get the Complete Guide

This guide gives you the full heating circuit diagnostic, the multimeter tests, and the repair cost reference.

[Get the Dryer Not Heating Guide — $7.95 →]

Need broader coverage? Our brand guides cover washers, dryers, and dishwashers in one reference — including brand-specific fault codes:

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