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Dryer heats, tumbles, and "almost" shuts off but keeps running


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80 replies to this topic

#61 Pegi

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Posted 03 June 2005 - 12:07 PM

His wiring diagram, as blurry as it is, says start switch, not start relay.  Seems would need the start relay for tumble press???  Getting too old for this, sigh.......  :silly:
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#62 kdog

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Posted 03 June 2005 - 12:17 PM

there is actually several variations of wrinkle guard (I,II,and III)- wrinkle guard I which is usually equipped on the lower line(70 series) simply keeps the motor running without heat for a period of time- wrikle guard II is the one that will restart the motor and tumble for 30 seconds every 5 minutes.
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#63 drot0729

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Posted 06 June 2005 - 05:46 AM

Pegi,

I sent you a cropped image of the diagram through email since I couldn't fit the file on here. You should definitely get a good look at the whole diagram. If you need the image of the timer itself I can send it seperate.

Kdog, I wasn't able to run the dryer this weekend because I was swamped doing other things, but I will hopefully be able to run the dryer on Cotton with nothing in it and see what happens today.

Also, with taking another look at the bulk of wires coming into the console, it only looks like I have a big 5000ohm resistor inline, and not that power resistor that was shown. At least I don't see that in the console. I have not take off the back of the dryer as off yet but I doub't it would be in there anyway.

Thanks,

Dan


#64 drot0729

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Posted 07 June 2005 - 11:05 AM

Kdog/Pegi,

Earlier today, I was able to run the dryer on Auto-Dry. I didn't have any clothes in it and had it set to Cotton. I set it on less dry (right before where it would go to Wrinkle Guard I believe). It was running for a good 45 minutes and when I went to check it, it didn't move off of there. It was still running and it when I opened the door, there was heat in the dryer.

Is this normal? Should it take more than  45 minutes to move from any spot during this cycle?

Dan


#65 kdog

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Posted 07 June 2005 - 07:19 PM

nope,you definitely have a timer not advancing and need to see if there is power(and how much) getting to the little motor that is mounted on the back of the timer.
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#66 drot0729

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Posted 08 June 2005 - 04:22 AM

nope,you definitely have a timer not advancing and need to see if there is power(and how much) getting to the little motor that is mounted on the back of the timer.
_____________________________________________________________________________

So, now that we have stepped through the process of changing the timer and seeing that it does the same thing as the original, advances on the 70 minute timed mode and does not shut off. I also tested on the Auto dry(only on the newer one) cycle and it did not advance two seperate times. We should say that the timer is not the issue or at least the "only" issue.

Also, if the timer does advance on the timed cycle, doesn't that mean it is getting some kind of power? Secondly, when I read the power going off the timer motor to the timer, I should be seeing 220v and should I check it while it is not running?

Dan


#67 Pegi

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Posted 08 June 2005 - 06:21 AM

Look at the voltage reading on the timers to see how much voltage the timer motor should be getting.  They were all 115 volts till recently, and we do not know what is in yours., the original timer and the new timer.  What voltage reading is on both of these timers...
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#68 Pegi

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Posted 08 June 2005 - 06:43 AM

From an earlier post...."Now to see if I understand correctly. First off, there is only timed modes on my dryer. There is 70 minutes, Air dry for 30 and something else. Then there is a selection for delicate, permanent press and cotton or something to them effects. The wife and I usually just use the 70 minute timed mode and select the type (cotton or whatever) on the types of clothes we dry.

So my 2 questions would be:

1. When you say automatic cycle, this does not pertain to me, right?"

_____________________________________________________________________________

You are now telling us this dryer does have auto-dry cycle?????

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#69 drot0729

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Posted 08 June 2005 - 06:52 AM

Pegi,

At the time I never even knew I had that on there. I have NEVER even looked at it or ever used anything but the 70 minute timed mode. I am sorry for that. :?

Kdog pointed out I had that on there and being at work I was trying to vision the other two cycles available.

I explained what happens when I do put it on Auto Dry and the timer doesn't move at all. I did this twice for about 45 minutes each, early yesterday and last night, but the freakin timer moves during the timed mode but doesn't shut off. uggghhh

Here is the pic of the timer again. I guess I should read 115 volts, huh?

Posted Image

 


#70 kdog

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Posted 08 June 2005 - 07:04 AM

if the timer advances ok on the timed cycles,and thats all that you use,then don't pursue  it any further-the issue of not advancing the timer during the automatic cycle involves several other components(t'stat,dropping resistor etc) and their conductors- but if you never use that cycle anyway(evident when you are unaware it is so equipped),what do you care??
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#71 Pegi

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Posted 08 June 2005 - 07:05 AM

What is the voltage reading on your old timer.........
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#72 drot0729

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Posted 08 June 2005 - 07:07 AM

I care because the title of the thread tells it all!! LOL

I run my timed cycle, it runs 70 minutes, and then right before it supposed to shut off it just keeps running until I manually shut it off or open the door.


#73 drot0729

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Posted 08 June 2005 - 07:09 AM

Pegi,

I never actually measured any voltage coming in, but if you are asking what is written or what the actual sticker says on my original timer, it is identical to the timer picture shown here.

Dan


#74 Pegi

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Posted 08 June 2005 - 07:10 AM

Kdog, I believe his original problem was it would get to the end of the cycle and not shut off and it is still doing this with the new timer.  Just runs forever at the end of the cycle just before the off.  Is this correct???
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#75 drot0729

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Posted 08 June 2005 - 07:14 AM

Absolutely correct, Pegi. That problem is there with the original timer and the new timer as well.

The dryer runs as before...starts fine, timer runs, dryer spins and heats, but right before it should click off it stays there and runs until I actually shut it off.


#76 kdog

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Posted 08 June 2005 - 07:20 AM

the only thing i can suggest is to see if the timer motor is losing its supply voltage at the point that ot stops advancing and take it from there
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#77 drot0729

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Posted 08 June 2005 - 07:39 AM

I just want to say again I appreciate all the time and patience you guys have. It has been a great learning experience for me as well.

Kdog, when you say supply voltage, do you mean the voltage going into the timer itself? I would measure the voltage as it is running and then again when it is supposed to turn off?


#78 kdog

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Posted 08 June 2005 - 07:52 AM

you need to connect a meter across the terminals of the timer motor itself and monitor it as it runs,if the voltage disappears,that is why the timer stops advancing- if the voltage is still there(110-120v) and timer doesn't advance,it is mechanical within the timer gear reduction- this is kind of a tricky test which,if not done correctly could cause harm and presents a shock hazard- if you don't feel comfortable with this,you should seek help from somebody who has knowledge of the risks involved. we techs always assume people understand the technical goop we are handing out. it like "speaking doctor"    assume= ass+u+me           :?
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#79 drot0729

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Posted 08 June 2005 - 08:00 AM

LOL...well then I will not attempt such a test...I have wired plenty of things both AC and DC but I will not attempt something like this that is risky.

I guess my time has run its course and I will have to get in touch with a guy I used to throw darts with to come and take a look at it. I believe he is a Sears appliance repair man. The tricky part is to find him. I don't want some guy to run in and just start replacing parts and seeing if it works. I am just going to hang onto the new timer I bought and put the old one back in. At least I know if the timer doesn't advance in the future at all, it would be a good guess that I could swap it out.

I will update the situation for all involved when I get someone in. I have a little mini vacation this weekend so the dryer will be the last thing on my mind until at least late Sunday. :)

 


#80 drot0729

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Posted 14 June 2005 - 05:17 AM

Pegi/Kdog and whomever else was nice enough to input on my problem.

Pegi, you were correct in one of the assumptions and that the Heat Element was bad. I think throughout this thread I did ask where that was but it doesn't matter now. I got in touch with the guy I knew and he came over yesterday. He checked out the thermistor first, and that was good. Then I mentioned the heat element to him and that was what he was going for next and he took it out. There were pieces that actually broke off. So now it is all fixed and I wish I would of asked you again on where that heating element was so I could of accomplished this myself. :P

Oh well, it is now working correctly and I thank you all for the assistance and the learning experience.

Dan





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