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DRYER TIMER RUNS BACKWARDS


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61 replies to this topic

#41 Tronicsmasta

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Posted 23 October 2010 - 10:24 AM

[user=18343]KurtiusInterupptus[/user] wrote:

also, according to the wiring diagram this is a 120vac dryer, right?


Kurtius,

Its one of those compact dryers that match the whirlpool world/compact washers... its an electric element but only uses 120vac
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#42 havintrouble

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Posted 23 October 2010 - 11:33 AM

all 3 timer numbers were exactly the same. now, power surge....you might be onto something. I noticed this morning the dryer was on with the timer moving backwards, when my wife turned the stove on in the other room, there was a surge or flicker of the lights throughout the entire home that i did notice. note: the stove/oven and dryer are on different breakers.

#43 havintrouble

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Posted 23 October 2010 - 11:34 AM

oh and yes it is 120v unit. sorry i forgot to mention that in last post.

#44 certified tech group 51

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Posted 23 October 2010 - 03:36 PM


The numbers on the MOTOR on the timer are the same???  WHY did you change the timer in the first place?????     Is there an air fluff or no heat cycle?? if there, is does the timer run backwards in that cycle??



#45 havintrouble

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Posted 26 October 2010 - 02:33 PM

Just to let everyone know, the problem is solved. THE BUZZER was the problem! I'm just leaving the buzzer disconnected Thanks everyone for the help. Now you all know in case someone else has the same problem!

#46 kdog

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Posted 26 October 2010 - 02:37 PM

Just for curiosity sake - please post the resistance you found with your failed buzzer
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#47 havintrouble

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Posted 26 October 2010 - 02:47 PM

I didn't test the buzzer. I never suspected it to be the cause. A local appliance parts store told me to disconnect it and see what happends. So I did, and it worked.

#48 RegUS_PatOff

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Posted 26 October 2010 - 03:18 PM

Buzzer shouldn't have anything to do with it..

even if it was shorted ..


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#49 havintrouble

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Posted 27 October 2010 - 05:51 AM

Sorry, my mistake. I kept sayin BUZZER, I meant BOARD!

#50 kdog

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Posted 27 October 2010 - 07:46 AM

So what did you disconnect exactly ?
Now dryer works fine ?
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#51 havintrouble

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Posted 27 October 2010 - 08:34 AM

I removed the electronic control board. Yes, it works fine now! It is for the "auto" cycle. However, it was messing up all of the cycles.

#52 kdog

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Posted 27 October 2010 - 09:13 AM

So now the auto cycle is disabled, and you are left with timed cycles only ?
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#53 havintrouble

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Posted 27 October 2010 - 11:12 AM

Yes, but the timed cycle does not move backwards anymore.

#54 kdog

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Posted 27 October 2010 - 01:19 PM

Thanks, that's interesting - ate you 100 percent certain that the hot and neutral lines are not reversed ?
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#55 RegUS_PatOff

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Posted 27 October 2010 - 01:58 PM

[user=637]kdog[/user] wrote:

... certain that the hot and neutral lines are not reversed ?

wouldn't matter ..
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#56 appl.tech.29501

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Posted 27 October 2010 - 02:16 PM

I have definitely never heard of that and I am going to try and see if I can duplicate that problem at work...this had me flamboozled!
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#57 KurtiusInterupptus

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Posted 27 October 2010 - 02:49 PM

fascinating...you 'd prolly need the failed board to reproduce the problem.
definitely one for the books...this will really help someone else, sometime if this happens again.
i get the impression not many of us have seen this first hand in the field

kdog, you must have been burned on that "i checked the power and it's fine" routine
one too many times, like me.
i NEVER believe it until l i see it myself

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#58 appl.tech.29501

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Posted 27 October 2010 - 03:49 PM

I have a ton of those boards, I delete component by component if I have to ;)
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#59 certified tech group 51

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Posted 27 October 2010 - 05:16 PM

Appl.tech ...see if havintrouble will swap you boards............ then get that old board and see if that problem could be repeated ...........


#60 kdog

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Posted 27 October 2010 - 07:28 PM

I make a habit of always checking circuits for polarity/ground etc (have a small indicatore that simply need be plugged in) as that seems to be the first requirement in practically every piece of accompanying literature that I have ever seen. If incorrect, no telling what can arise

This dryer somehow had a failed board influence the direction of a theoretically uni-directional motor - i would be interested to know if reverse polarity played a part in this

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