📖 Glossary, Part
What is a thermal fuse?
A one shot safety fuse that blows permanently if the dryer overheats, and it never fails without a reason.
The thermal fuse is a sacrificial safety device in the heat circuit. When temperatures exceed a safe limit it opens permanently and the dryer tumbles without heat. Replacing it restores heating, but the fuse is a symptom, not the disease. It opened because airflow was restricted, almost always by a blocked vent or a lint packed blower. Replace the fuse, then find and clear the restriction, and never, under any circumstances, bypass one.
Where you’ll meet it
Repairs that involve thermal fuse
Related terms
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