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Location of unballance sensor  Rate Topic 
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 Posted: Sat Oct 9th, 2010 07:24 pm
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mikestj
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Kenmore front loading washer

Model 970-C45172-30

Serial XC63917494

 

The above is the model number of my washer machine. It was purchased in Canada.

Do have American cross referenced number for this machine?

How does this washer sense unballancing?

 

Thanks

Mike

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 Posted: Sat Oct 9th, 2010 09:13 pm
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RegUS_PatOff
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mikestj wrote: ...How does this washer sense unballancing?
with the Motor and Motor Controller..

any Error Codes/Lights ?

 



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 Posted: Sun Oct 10th, 2010 03:42 am
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mikestj
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Thanks for the quick reply.

Can you elaborate?

I'm an electrician so get into details if you can. I might understand.

 

Thanks

Mike

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 Posted: Sun Oct 10th, 2010 03:53 am
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Tronicsmasta



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can you take a picture of that machine. if it what i think it is.. its the canadian version of the Frigidaire 3.0 cu ft kenmore.



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 Posted: Sun Oct 10th, 2010 06:07 am
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Frigidaire Kenmore 970-C45172-30

Owner Guide(English):  
134688900een

Owner Guide(French):  
134688900ffr

Installation Instructions:  
134676600ef

Parts Manual:  
5995464814

Tech Data & Wiring Diagram::  
1345417

Operating Instructions:  
134727600



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 Posted: Sun Oct 10th, 2010 06:20 am
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Tronicsmasta



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THanks reg. I thought thats what it was, based on complaints when i googled that model number.



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It is never a bad thing to leave it to the professionals. Inexperience can lead to more damage or risk of injury. You can always call A&E Factory Service (1-800-905-9505), Sears(1-800-469-4663), or local service man you can trust (servicemagic.com).
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 Posted: Wed Oct 13th, 2010 12:01 am
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mikestj
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The writing on the washer says:

super capacity 3.5, quiet tumble action,easy access

The part numbers of the brains are as follows:

control board timer-137005020

motor control board-134743500

switch door lock-131763202

 

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 Posted: Wed Oct 13th, 2010 12:48 am
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RegUS_PatOff
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may have to do some diagnostic tests on the Motor and Controller

3 cu ft Horizontal Axis Washer (5995413084)



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 Posted: Wed Oct 13th, 2010 02:44 am
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mikestj
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Wow!

That service manual is great.

It sounds to me that unbalanced loads are determined by the tachogenerator in the motor. (pg59(2))

"The balance of the load in the washer during the
spin cycle by converting the sine wave from the
tachogenerator to square waves and comparing the
distance between the square waves."

That adds another part (the motor) to my list of the probable faulty part.

Maybe you can narrow this list down for me.

The situation:

Washer will not go into high speed spin during any cycle.

It will go into high speed during diagnostic test step 9.

I did bypass the two door lock contacts with jumpers. Still no high speed.

Error code is E43. Control board problem. Replace control board.

I'm not 100% sure that it is the control board. I've read were others have had this code and all they changed was the door lock/switch. I believe it can be either one of the following control board, motor control board, door lock/switch (or now) maybe the motor. (I believe I eleminated the switch as the problem)

When performing step 9 in diagnostic test is one of the part mentioned above bypassed?? This would narrow the possibilities.

I'm willing to strip conductors from the control board and the motor control to test for singnals however the schematics are not indepth enough to indicate what singnals and from which conductors are required to set the motor into high spin. Even if I had the information I don't really want to get into such a task.

Any suggestions??

Thanks

Mike

 

 

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 Posted: Wed Oct 13th, 2010 03:52 am
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mikestj wrote: ... Error code is E43. Control board problem. Replace control board ...
How did you arrive at 43 ?

which lights ?

how many flashes ?

 



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 Posted: Wed Oct 13th, 2010 12:49 pm
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Budget Appliance Repair
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It's a bad wax motor in the door lock switch.

The high speed spin in diagnostics working tells me this is 100% your problem.

The diagnostic routine doesn't activate the wax motor or check for the door looked when doing the high speed spin test.




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 Posted: Wed Oct 13th, 2010 06:16 pm
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kdog
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Part # for doorlock is 131763200, can't order from RepairClinin to canada - try Reliable Parts or AP Wagner, both will have them



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 Posted: Fri Oct 15th, 2010 03:56 pm
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mikestj
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I tested the door lock assembly again. Turns out that the wax motor plunger was not extending far enough to close the auxilary switch. I bent one of the contacts in order to have the contacts closer together. It worked. High speed spin is back.

It seems that by closing the two switches in the door lock assembly by using jumpers does not work for troubleshooting the lock. I think that maybe the control board sensed that the auxilary switch was closed prematurally and therefore caused the malfunction code and prevented the washer from going into high speed spin. Thats my guess.

I live in Sault Ste Marie Ontario. I'm about 15 minutes from the closest US gas station. I cross the border at least once a month. I order many items from the US.

In this case Repair Clinic did not make money. (allthough I may still order a new door lock). However you guys do have a new customer/client and I will and have talked highly about this site to friends. Rosie who aswered my call at repair clinic when I was looking for part numbers and prices was also very nice and helpful.

Thanks very much for the help.

Mike

When you want to blow up your appliance with a bomb, go to applianceguru.com

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 Posted: Sat Oct 16th, 2010 11:47 am
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Budget Appliance Repair
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You're going to probably have the same problem again soon.  The wax motor is failing, (probably leaking around its plunger seal and will get worse).

A much cheaper repair is to just replace the wax motor, these door latch/lock assemblies come apart pretty easily.

If you do a search on the door lock assembly part number you should find many discussions here on replacing just the wax motor instead of the complete switch assembly, (other parts of this latch/lock assembly hardly ever go bad).  If you find the discussions they should have the wax motor part# to order.



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