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Manage My Life

Kenmore Dryer not heating

by Manage My Life Last activity date:
April 6th, 2012

Kenmore Dryer Model #41788042700

The dryer is running, but has no heat. I cleaned all the lint out of everywhere, and I'm pretty sure the problem is the thermal limiter switch. Where is this located in the dryer? Can I buy the part somewhere are repair it myself? Thank you for any help.

Tags:
Dryers , Kenmore
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Answers (3)
Lyle W
Here are the 4th and 5th images.
Answered in 19 hours
by Lyle W
April 6th, 2012
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Lyle W
Since the dryer is running, that thermal limiter is apparently okay. That fuse is in the voltage supply line for the drive motor. The voltage supply to the motor is traced in yellow on the wiring diagram in the first image below. The heating circuit is traced in red. You could have a voltage supply problem, a wiring failure, a bad heating element or an open high limit thermostat that would cause this heating failure. A bad heater relay or a failed motor centrifugal switch would also prevent the dryer from heating.

I recommend that you check that voltage supply first. Check your house circuit breakers or fuses to see if one of the breakers is tripped or one of the fuses is blown. The dryer will run if only the L1 leg of 240 volt power is provided to the dryer. If that second 120 volt leg of L2 power is missing, the dryer will not heat. If you find no problems with the house breakers or fuses, then I recommend that you

carefully

check the electrical outlet voltage using a volt/ohm meter.

NOTE: You should only check this live outlet voltage if you are completely confident in your technical ability to safely measure it. Wear electrical safety gloves and safety goggles when conducting that live voltage check at the outlet

. The second image below shows the voltage that you should measure through that outlet.

If that voltage is okay, I recommend that you run that diagnostic Function Test Sequence that is shown in the third image. On that last step (6 turns), check to see if you hear that heater relay click. Check the thermistor temperature reading. If the control displays an error code during that diagnostic test then you can refer to the information in the 4th image to decipher the code.

That diagnostic test may point you in the direction of your failure. If that heater relay seems to be okay and the thermistor is good then you will probably need to

unplug the dryer

and check that heating element. The 5th image below shows how to remove the top panel, the console and the bottom front service panel. This brief repair video shows how to access the heating element in a similar type of dryer:

Dryer Heating Element Replacement

. Your dryer is different than the one shown in the video but the basic repair procedure is the same once you remove the components shown in that 5th image. Once you access that heating element, you can check it for continuity as shown in this video:

Dryer Heating Element Testing

. If that element does not have continuity then it will need to be replaced. If the element is okay, you can check that high limit thermostat in a similar manner. If both of those components are okay, then you could have a wiring failure or a problem with that control board relay.

You can order parts from this link:

Kenmore Dryer 417.88042700 Parts

. Be sure that you

unplug the dryer

before accessing internal components.

These tips may help you resolve this dryer heating problem. If you need more assistance, reply with additional details based on the above tests.

If you get to the point where you need to have a service technician diagnose and repair this failure, you can schedule service through this link:

Sears Home Services

.
Answered in 18 hours
by Lyle W
April 6th, 2012
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afritz afritz
I understand that your Kenmore dryer is not heating. While you are waiting for an expert to respond, I have attached some helpful links below that may provide information to assist you with your question. Have a great day!
Answered in 6 minutes
by afritz afritz
April 5th, 2012
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