Dryer Not Heating – Common Causes & Fixes

When dealing with dryer not heating, a situation where a tumble dryer runs but fails to produce warm air, often leaving laundry damp. Also known as dryer's heating failure, it signals issues like a broken heating element, faulty thermostat, or blocked vent. The tumble dryer, the household appliance that removes moisture from clothes relies on a heating element, airflow and temperature control to work properly. A heating element, the electric coil that generates hot air inside the dryer can burn out after years of use, causing the dryer to tumble without heat. Likewise, the thermostat, the sensor that regulates temperature cycles may misread the drum temperature and shut off the heating circuit. Dryer not heating therefore encompasses heating element failure, thermostat errors, and airflow restrictions, and it requires systematic troubleshooting before calling a technician.

What to check before calling a pro

Start with the most visible culprits. A clogged lint filter or vent restricts airflow, overheating the thermostat and prompting it to cut power to the heating element. Clear the filter after each load and inspect the vent hose for kinks or debris; a short, straight path improves heat distribution and reduces energy waste. Next, verify the dryer’s power supply. Electric models need a 240‑V circuit; a tripped breaker or a loose plug can mimic heating problems. If the dryer powers on but stays cool, measure the heating element’s resistance with a multimeter – a value of infinite ohms indicates a broken coil. Inspect the thermostat by checking continuity across its terminals; inconsistent readings point to sensor failure. Finally, consider the control board. Modern dryers use electronic boards to manage heat cycles; a burnt resistor or faulty relay can stop heat production even if the element and thermostat are sound. Each of these steps ties directly to the overall performance: proper airflow, correct voltage, functional heating components, and reliable control logic are all essential for a dryer to heat.

Once you’ve ruled out simple fixes, weigh repair versus replacement. Repair costs typically range from £70 to £150 for a heating element or thermostat, while a full board swap can approach £250. Compare this to the price of a new energy‑efficient dryer, which often runs 20‑30 % cheaper on electricity. If your dryer is older than ten years, has recurring issues, or falls short of current energy‑rating standards, replacement may yield long‑term savings and better reliability. On the other hand, a well‑maintained machine with a single faulty part can be revived cost‑effectively, extending its lifespan by several years. This decision guide mirrors the advice in our collection below, where we break down cost‑benefit analysis, highlight common fault patterns, and provide step‑by‑step DIY checks. With that context in mind, explore the articles ahead to find detailed troubleshooting, repair cost breakdowns, and clear criteria for when it’s smarter to replace your dryer.

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