Author Topic: Help with Whirlpool Dryer LER7646EQ1  (Read 7600 times)

Offline NMUWildcat027

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Help with Whirlpool Dryer LER7646EQ1
« on: August 03, 2009, 05:38:37 PM »
Hello,

I am new to the forum, but have already received good advice from the threads here.  I am hoping someone could provide me with some assistance in fixing my mother's dryer.  I followed the advice posted in the thread below about a whirlpool dryer.  This dryer is running, but not providing any heat.

1.  I checked the outlet and it tested out to 240.
2.  I checked for current on the parts in the dryer.

There was current to parts 1 and 6.  I know this isn't my dryer, but it seems to be laid out similar to mine.  I can take additional pictures if needed. 

3.  I replaced the thermal fuse upon advice in another site that it was the most common problem.

4.  I have found that there is no current to the thermostat...part number 3399693
I would order this part and try to replace it, but I am having difficulty even removing this part.

My question is...Should I be getting current to this part?  Could someone give me a tip for removing this part to replace it?  Are there any other things I should look for?

Thanks for the help.

Model LER7646EQ1


Offline JWWebster

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #1 on: August 03, 2009, 05:57:46 PM »
You should be getting power through that limit. It is a 250 degree safety limit. If it is open then that is your problem.
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Offline JWWebster

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #2 on: August 03, 2009, 06:12:02 PM »
The part comes off rather easily. Remove the heating element and sit it on the work bench. Take a wide blade screwdriver and twist it under the large terminal and it will come on off. The other side as you know is held in place by the frame of the heating element. Only 2 small screws hold the heater onto the dryer. Get the heater off and it is way easier to deal with.
May the hinges of our friendship
        never grow rusty.

About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

Offline jumptrout51

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #3 on: August 03, 2009, 06:15:03 PM »
All the thermostats and thermal relays in question can be checked with a meter set for continuity. Remove the wires from each one and check the continuity. If you get a reading it is good. If not it is bad.
They are all attached with a 1/4 inch hex head screw. They should un-screw without much force.
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Offline NMUWildcat027

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #4 on: August 03, 2009, 07:21:00 PM »
Thanks for the tip on taking the heating unit off.  It was much easier with that removed.  I will be replacing that part tomorrow hopefully and will let you know if it worked.  Thanks for the help so far.

Offline NMUWildcat027

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #5 on: August 06, 2009, 06:22:48 PM »
Back to needing help.  Here is a photographic journal of what has been done.

The Dryer:



Maybe I need a refresher on testing these parts, but I used a test light to test each piece of the dryer...



This one would light when I touched both sides of it.

The others would only light when I touched one post and a ground screw...








This part tested good from the time I started the project:



These two parts were replaced:






This final part is the only link I don't know about...



The Red wires both light the test light when connected to a ground.  Neither of the purple wires on the side do.

I think it has to be this part or the heating element.  I turned it on and got down on the ground and the heating coils did not appear to be heating...although I don't know how long it takes from them to visibly heat.

Again, Any help would be appreciated.  Thank you.

Offline whirlpooltech

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #6 on: August 06, 2009, 06:28:35 PM »
So what are you testing for with your light tester, voltage?

You should be testing them parts with the power off and the wires removed. Then test the parts (thermostats, thermo fuse, heater) with a ohm meter.

As for the heating element you can remove the element from the can and simply look at the coils to see if there is a broken spot in it.

Offline NMUWildcat027

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #7 on: August 06, 2009, 06:30:12 PM »
I guess I misunderstood what I was testing.

Offline NMUWildcat027

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #8 on: August 06, 2009, 06:32:42 PM »
I have a multimeter here that can do that...Could you walk me through where I should be placing the probes and possibly what setting I should use on the device.

Offline NMUWildcat027

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Re: Help with Whirlpool Dryer LER7646EQ1
« Reply #9 on: August 06, 2009, 06:36:04 PM »
I have a GB Instruments GDT-11 Digital Tester

 

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