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bwano  
#1 Posted : Saturday, March 13, 2010 1:18:38 PM(UTC)
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bwano

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Joined: 3/13/2010(UTC)
Posts: 1

My dryer won't come on at all. I've lifted the top, removed the front, removed the drum, looked at motor for burnt wires, loose wires, a reset button. I've run all the wires looking for something unplugged or burnt. I've looked for an inline fuse somewhere. I've checked my main breaker box and flipped the breakers off and on. Am I looking at buying a new dryer?:confused:
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denman  
#2 Posted : Sunday, March 14, 2010 1:58:17 AM(UTC)
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denman

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Here are your parts includes a wiring diagram.
Replacement parts for ADMIRAL LNC7766B71 Dryer - Ele | AppliancePartsPros.com

Put the unit in timed dry mode if the timer advances you know that you have the 120 volts to run the timer and the motor.

Could be a number of things ( thermal fuse, door switch, timer) but at the top of the list would be the thermal fuse Item 5 in Section 5.

Unplug the unit and check it with a meter, should be 0 ohms.
Be sure to unplug one side of it when checking it.

If it is blown you have to find out what caused it to go.
Note: that sometimes they do just blow on their own but changing it without checking other things is a gamble.

Check the heating coil.
Unplug the unit and both wires to the coil.
Check it with a meter, should be around 12 ohms.
Then check from each side of the coil to the case/frame, both should be infinite ohms (open). If not the coil may have sagged or broken and is touching the case. This can cause it to run on high and the thermostats cannot regulate it.

If the above is OK then you will also have to replace the hi-limit as it should have regulated the temperature so the fuse did not blow.

You still have to find out why it blew.
Check that the belt is OK.
Check the seals (drum etc) in the unit. The air is pulled over the heating coils, through the drum and pushed out the exhaust. So any large seal leak will pull in room air and the cycling thermostat on the blower will run the unit hot.
Check that the lint filter is not coated with fabric softener residue which greatly reduces air flow.
Check/clean your vent system.
Check/clean the blower wheel.

If all OK you may want to replace the cycling thermostat as it's contacts may not be opening (welded shut).

If you do not own a meter, I would suggest you purchase a one. You can get a decent digital multimeter for under $20.00. You do not need fancy though it is nice if the leads are a couple feet long.
If it saves ordering one unnecessary part it has paid for itself and you end up owning a useful tool.
Most places will not let you return electrical parts so if you order it, you own it.
A couple things to watch when measuring ohms and continuity
1. Always remove power from the machine otherwise you could blow your meter.
2. Always disconnect at least one side of any device you are checking. This eliminates the possibility of measuring an alternate/parallel circuit path.
3. When checking for closed contacts and continuity use the lowest scale (Usually 200 ohms). Then try higher scales. This scale is 0 to 200 ohms so if the device you are measuring is 300 ohms this scale would show an open circuit which it is not, you are just measuring outside the scale's dynamic range.

There is a good STICKY at the start of this forum about it's use.
THIS FORUM IS DEAD!!!!!!!
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