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mrmc61@yahoo.com  
#1 Posted : Saturday, June 12, 2010 1:15:22 PM(UTC)
mrmc61@yahoo.com

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My dryer timer makes a humming noise when I push to start button and wont start the cycle. How do I know which part needs to be replaced. How do I troubleshoot the problem?
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denman  
#2 Posted : Tuesday, June 15, 2010 2:07:46 AM(UTC)
denman

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Here are your parts
Replacement parts for WHIRLPOOL LEQ9508PW0 29"electric Dryer | AppliancePartsPros.com

Here is a wiring diagram
http://www.servicematters.com/docs/wiring/Wiring%20Sheet%20-%203406661.pdf

Are you sure that the hum is coming from the control panel?
If yes it could be that your push to start relay is toast.

Often a humming is the motor trying to start.
If it could be the motor try the following:

Try turning the drum by hand. Should turn fairly easily. If not could be the drum is jammed for some reason. You may want to try this on a couple other dryers to get a feel for it.
If it is difficult to turn run your fingers around the back and front of the tub to machine seal. To see if something has jammed between the tub and frame (bra wires are famous for this). Be careful in case the object is something sharp.
If nothing is jammed in there you will have to open it up and find the cause.

If it rotates OK.
This may take 2 people
Open the door
Manually hold the door switch closed
Push the start button and manually rotate the drum in the correct direction.
Watch your knuckles in case it starts up.
If it does start up, odds are high that you need a new motor.

Could also be that the motor is jammed solid with lint and this is preventing the Start/Run centrifugal switch from resetting (the unit is trying to start with out the motor's start winding in circuit.
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