A blown thermal fuse could be the cause why the your Whirlpool 29 inch electric dryer is not doing anything in any of the cycles that try it on.
This safety device is use to stop the motor from running if the temperature inside of the dryer drum excides 200 degrees Fahrenheit.
It is connected in series with the motor circuit and when it blows, the motor can't get electricity to run.
It is located on the back of the dryer and to get access to it you will need to remove the back panel.
To check it out do the following. Disconnect the dryer from the wall outlet. Go behind the dryer and remove the back panel.
You will see it next to the operating or cycling thermostat and both are located next to the pipe that the exhaust hose connects to. Is white and it has 2 blue wires connected to it.
You could use a multimeter to check it for continuity or you could use a jumper wire to bypass the fuse. Warning you should only use the jumper wire for testing purposes and not as a replacement for the fuse.
You could take a piece or copper wire with two insulated alligator clips and jump the two wires connected to the fuse.
After bypassing it connect the dryer to the wall outlet and try it to see if now the motor run. If the motor runs ok with the jumper wire, then you need to replace the thermal fuse and the operating thermostat as well. That is what the manufacturer recommends to do.
See, the operating thermostat suppose to open the heating circuit at about 150 degrees Fahrenheit and the safety fuse suppose to blow at 196 degrees Fahrenheit. So if the fuse blows it tells you that the operating thermostat did not open at 155 degrees and that is the reason why the fuse blew.
Some people just replace the fuse, so it is up to you if you want to replace both ( I always did replace both and never has a recall on the repair.
View the video below to see how this repair is done.
Below are the links to the parts needed for this repair.
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