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Kenmore 80 Series - No Heat - Model #110.74842400

Hi Jsrock,

I've been reading your replies to other people's problems regarding no heat in their dryer. I have the same problem. I cleaned the air duct, which had some significant amount of lint built up right at the base connection of the duct.

I wanted to see if I can service the dryer myself. I build computers for a living and do light electrical work, so I figured I would give this a shot before calling for servicing.

I kindly thank you for any information in advance jsrock.
Regards,
-eb

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  • Erik bouy Jul 31, 2008

    I apologize for lack of clarity jsrock...it is a Gas dryer, but it's also plugged in as well. I assume plugging it in for timer/heat sensor functionality, but I'm not sure, but it's definitely gas.

    Thanks for your promptness in this matter.

    Regards,
    -eb


  • lullbill Feb 25, 2009

    I am not getting any voltage to the two prong connector for the igniter when I push the start button. Where is it fed from?



    Bill B.

  • Jeff Rockwell
    Jeff Rockwell May 11, 2010

    Okay...the model number you provided is for a GAS dryer? Is this correct? If so, the heating portion of the dryer is different than that of an ELECTRIC dryer. A gas dryer uses a burner assembly with an ignitor. An electric dryer uses an electric coil type element. Can you please verify WHICH dryer type you have, so I'm not giving you improper advice?



    PS To answer your question...If you are technically inclined and can understand the basic concepts of electricity, you can service a dryer.

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Okay...just wanted to make sure. With a gas dryer, the most common failure is the ignitor. Its a glow bar type ignitor that comes on when you push the start button. Once the ignitor reaches a certain current potential, the gas safety valve opens and you'll hear gas begin to flow - followed by ignition. To check, you need to access the inside of the dryer to see if the ignitor glows. If the ignitor isn't glowing, you may assume the ignitor coil is open. If the ignitor begins to glow, but you still have no ignition, you may have an ignitor that is weak and isn't drawing enough current to open the gas safety valve. You can read the following link about glow bar type igniters:

http://www.fixya.com/support/r401858-replacing_oven_igniter_gas_range

I know the link is for replacing an ignitor in a gas range, but theory behind the operation is the same. In particular, you need to look at the ignitor and determine if it is a Carborundum or a Norton. The current values differ.

If you can take a current reading and it is normal, and you still have no ignition, the remaining common fail item are the gas coils. There are two of them on your dryer. One is the Main and one is the Pilot Position. It is recommended that you replace BOTH at the same time (commonly sold as a set).

Go to searspartsdirect.com and type in your model number as you have it listed. Look under the "Burner Assembly" heading on the next page. The ignitor is listed as item number 4 (part #279311) and the coils are listed as items 13 and 14 respectively (part #'s 694540 & 694539). You can choose to order from this site if you like, but repairclinic.com may have these parts at a cheaper price. Do some comparative shopping to save money. Sears is great for component identification, however. I hope this helps you.

Posted on Jul 31, 2008

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