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What is wrong with my dryer when the timer makes a ticking sound when it is turned off and makes a louder hum when the timer is set to a cycle?

It is a Kenmore dryer model 110.72872101 and when the timer is set to the off position you can hear a ticking noise and when it is put on a cycle there is a moderate humming noise coming from the dryer. The dryer will not start when the start button is pushed and I have already replaced the timer on it.

Dryers , Kenmore , Washers
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2 Answers from these members:
Fred M
If the timer was replaced and there was no improvement then the next possible cause of this problem would be the 8558178 electronic control. Refer to the image below for a picture of the wiring diagram.

Since there seems to be a problem with the timer turned off or on there is one check you might make to resolve this problem. Remember to unplug the dryer.

You replaced the timer so you know how to access the console. Access the electronic control and unplug the harness to it. With the harness unplugged and not touching anything plug the dryer back in and see if you hear the ticking or humming from the timer. If you don't then I'd suggest you change the control which is the most likely cause of your problems.

If you still hear the noises with the control disconnected then there is likely a short or pinched wire somewhere on the harness. This can be extremely difficult to locate and repair.

Another consideration is the expense to repair the dryer verses the expense of replacing it. The control is approximately $125 dollars and you have already bought a timer. Most service call charges start about $129 dollars so it can easily cost more to fix than to replace.

Just to give you an idea you can view a similar new gas dryer:

New Similar Dryer


If you need the 8558178 electronic control you can obtain it from the following site:

Sears PartsDirect


I hope this information is helpful to you in resolving this problem but submit another question with any additional details for further assistance.
by Fred M Earned 109,690 community points in Kenmore
October 24th, 2009
0 votes
Manage My Life
My kenmore is having the exact same issue, was this problem ever solved? so far i have replaced my timer and control board.
by Manage My Life
November 30th, 2011
0 votes
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