Check the door switch which has three wires Normally Closed / Common / Normally Open. You will need an Ohm Meter to check the switch. Next use the Ohm Meter to test the start relay. Last check the Thermal Fuse by the lint trap in the back with an ohm meter. If you go to Appliancepartspros.com you can order the parts or go to a local appliance parts shop.
Another possible cause for a dryer not heating up
could be attributed to a faulty thermal fuse. Once a dryer's thermal
fuse has blown, it is no longer of any use. If your dryer's fuse is
blown, you will have to replace it. Open up your dryer's cabinet and
locate its thermal fuse so that you can test it
.
If any of your dryer's thermostats have become
defective, they could be the reason that your dryer is not heating. Open
up your dryer's cabinet and test each of your dryer's thermostats. If
any are faulty, replace them.
A defective timer motor could also cause your dryer
to not heat up. Test your dryer's timer motor. If it is no longer
functioning as it should, replace either the entire motor assembly, or
just its motor.
If your dryer won't heat up, it's possible that it is
not being supplied with the proper voltage. Here are three ways to make
sure power is getting to your dryer: First, make sure your dryer is
plugged in. Next, check the circuit breaker panel to make sure all the
circuit breakers are in the correct positions. Finally, check to make
sure no fuses in your fuse panel are blown. Any of these could explain
why power is not getting to your dryer.
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