Model #LER6636PW1 WHIRLPOOL Residential Dryer

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what is a thermal fuse on my dryer LER6636PW1 Whirlpool Residential dryer


Thank you for being Sears’ valued member and for contacting with your questions about the thermal fuse in your Whirlpool dryer model LER6636PW1. I will be happy to help you with this. I have included the link below for you to view the parts diagrams for your dryer. 

The thermal fuse is located on the blower assembly. On the “Bulkhead Parts” diagram it is key 19 and is attached to the inside of the blower housing, key 11. The thermal fuse is a safety device. It breaks the electrical contact to prevent a fire if the dryer overheats. It is not resettable and needs to be replaced after it has been tripped. It is important to correct the overheating issue before replacing the part.  Check to see if there is an air flow blockage in the exhaust vent from too much lint build-up in the dryer. That is usually the root of the problem. 

I have included our repair guide on how to replace the thermal fuse.

I have also included the link to order the part, in case that is what you need.

SAFETY WARNING: Disconnect the power supply before beginning your repair to prevent the risk of electrical shock which can result in property damage, serious personal injury or even death. Internal parts may have sharp edges that can cause serious cuts. Use caution and wear work gloves. If you are not comfortable completing this repair, you can set up service at or by calling 1-800-469-4663 (1-800-4MY-HOME). 
I hope this answers your question. Thank you for choosing Sears, we appreciate your business. 

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Rachel Morgan -
Sears Technician
June 22, 2015

Why won't my Whirlpool dryer heat up?


Having your appliance not working properly can be really annoying. While you are waiting on an expert to answer your question, I suggest you set service with a Sears technician. I have attached the link below. Have a nice day!

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Dezeray -
May 09, 2012

Thanks for contacting I understand how frustrating it is having trouble with your dryer not heating. We are here to help. A electric dryer not heating has several causes. They are as follows:

  1. You need to verify that you have 240 vac at the outlet where the dryer is plugged in. The dryer must be unplugged and then with a multimeter measure for 240 vac. If you only get 120 on meter you found the problem. Reset dryer breaker and retest. If you have 240 vac then proceed to step 2.
  2. Leave the dryer unplugged and remove the back. Next, with the multimeter you need to ohm test the following components. Test the thermal cut off,high limit thermostat,operating thermostat, and the heating element. The part that tests open is bad except for the heating element. The heating element should read between 5-16 ohm's. You need to replace the part that tests bad. Also check the dryer vent. The images below should help you with repairing your dryer. I hope this helps.

If you do not feel comfortable repairing this problem yourself, then you can have it repaired at your home by a Sears technician. You may visit and click on the red next now button.

Please feel free to let me know if you need further assistance. We are always here to help.

Thank you for using

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John H -
Sears Technician
May 10, 2012
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