How do I check my dryer's thermal fuse?


Quick Answer

According to SFGate, a dryer's thermal fuse is located on the dryer's exhaust duct, which is accessed by removing the back panel of the dryer. Some thermal fuses are made from plastic, while others consist of metal. They are usually found directly on top of the exhaust duct and are typically 2 inches long.

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Full Answer

According to SFGate, many dryers simply do not run once a thermal fuse triggers. However, before attempting to check a dryer fuse, make sure the dryer is unplugged and wear safety glasses when using tools. Disconnect the two wires from the fuse, tie them together with a jumper wire and then turn on the dryer to check whether the thermal fuse has burned out. If it runs and heats, the thermal fuse must be replaced. An alternate method of checking the thermal fuse involves using an electrical multimeter set at is lowest RX setting. If you touch a multimeter probe to each wire terminal on the fuse and get a reading of infinity, the fuse is fine. If the reading is less than infinity, the thermal fuse needs replacing. When replacing a thermal fuse, make sure you use an exact match for your dryer make and model.

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