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Tom Johnston
Tom Johnston, Home Appliance Technician
Category: Appliance
Satisfied Customers: 8007
Experience:  20 years experience
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my clothes dryer wont heat up Ithink it is the thermal fuse

Customer Question

my clothes dryer wont heat up Ithink it is the thermal fuse how do I tell if its bad?
Submitted: 7 years ago.
Category: Appliance
Expert:  Tom Johnston replied 7 years ago.
Check the thermal fuse for continuity.
Customer: replied 7 years ago.
if it is bad will it have no continuity or alot of resistance
Expert:  Tom Johnston replied 7 years ago.
It will have no continuity.You can always take the 2 wires off it and attach them together and try the dryer.
Tom Johnston and other Appliance Specialists are ready to help you
Customer: replied 7 years ago.
now Im not sure if that is the issue I get 9 ohms of resistance when I check the heating element is that normal , i test the fuse and now it seems fine is it safe to run the dryer without the fuse
Expert:  Tom Johnston replied 7 years ago.
Yes it is ok to run the dryer with the fuse bypassed just to see if that is the problem.Check the voltage at the element.
Customer: replied 7 years ago.
bypassing the fuse doesnt make any difference the volt at the element while it running is 0
Expert:  Tom Johnston replied 7 years ago.

Remove one wire from the element and test it to ground for a 120 volts.Do that with both wires. What do you get?

Customer: replied 7 years ago.
with dryer off i get 114.6 from one and 0 from the other with them connected i get 114.6 from each side
Expert:  Tom Johnston replied 7 years ago.
The one you got 0 on follow it.It will lead you to the problem.Both wires have to get 120 for element to heat.
Customer: replied 7 years ago.
It goes inside undernieth to a transformer any ideas?
Expert:  Tom Johnston replied 7 years ago.
Goes inside where?
Customer: replied 7 years ago.
it runs from the element down to what looks like transformer of some sort right behind the exhaust housing
Expert:  Tom Johnston replied 7 years ago.

Are you sure its not the motor?

Customer: replied 7 years ago.
i cant see in there very well but ya I think thats what it is
Expert:  Tom Johnston replied 7 years ago.
Then that is the problem the motor is not sending power to the element.
Customer: replied 7 years ago.
what would cause that? one of the thermastats?
Expert:  Tom Johnston replied 7 years ago.
No the motor switch is bad.
Tom Johnston and other Appliance Specialists are ready to help you
Customer: replied 7 years ago.
Is that easy to replace once i get to the motor
Expert:  Tom Johnston replied 7 years ago.

Yes it is not to hard.As long as the switch on your motor is replaceable if not then you need to replace the motor.

Tom Johnston and other Appliance Specialists are ready to help you
Customer: replied 7 years ago.
ok thanks alot for your help
Expert:  Tom Johnston replied 7 years ago.
You are welcome.

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