Dryer Thermal Cutoff Test

Testing a dryer thermal fuse checking the thermal fuse is the fastest way to determine if it is why the dryer will not generate warm air.

Dryer thermal cutoff test.

Answer mike if the dryer runs and heats you won t need a thermal cut off kit. A thermal fuse acts like a switch when dryer exhaust temperatures climb. If the timer doesn t advance in a timed dry cycle the issue is in the timer itself wp3976574. Thermal fuses are required on all dryers built since the 1980s.

2 access the dryer s rear panel. If the timer doesn t advance in the auto dry cycle the issue is usually an airflow problem clogged vent vent hood dirty filter etc. 1 disconnect the dryer from the wall outlet and pull it out from the wall to access the dryer vent. The next time you try to start the dryer the motor won t run even though the dryer has power.

If you do find that the thermal fuse has shorted out you simply need to pull it out and replace it with a new one. For an ohmmeter set it to rx1. The fuse controls the dryer s heating element whereas the cutoff controls the motor. Video of the day.

Thermal fuse shapes and sizes vary. The thermal cutoff isn t the same as a thermal fuse. Most dryers plug into a 220 volt wall outlet so you can unplug the unit to cut off power. You can test the thermal fuse and repair the dryer yourself to avoid spending a lot of money on a service call.

If your dryer is not heating then you should test the thermal fuse thermal cutoff for continuity to see if it is good or bad. When the fuse blows the dryer won t get hot but when the. Dryer isn t heating or takes too long to dry. Troubleshoot your dryer s thermal cutoff switch by testing its electrical continuity.

The best way to test a thermal fuse is by testing it with a ohmmeter or digital multimeter. Unplug the appliance from the wall or cut the circuit to the dryer at the main fuse or breaker box. Some are made from plastic. This free video shows step by.