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Kenmore 40272900 washer won't turn on

washer no power failure

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44 replies to this topic

#1 bamaguy

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Posted 27 April 2014 - 07:16 AM

My Kenmore washer model 40272900 won't turn on at all.  The outlet works, but nothing happens when I push the power button.  No click or any other noise when I plug it in.  We haven't had any trouble or error codes with it before.  Any help is much appreciated.  Thanks!



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#2 applianceman97

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Posted 27 April 2014 - 11:13 AM

You are missing the prefix to the model number. There should be three number in front of what you posted like 796.xxxxxxxxxx

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#3 bamaguy

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Posted 27 April 2014 - 05:13 PM

Sorry about that.  It is 796.40272900.



#4 applianceman97

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Posted 27 April 2014 - 09:04 PM

Unplug the machine, plug it back in then try to turn it on. This problem could be the noise filter, main pcb or user interface. If the washer doesn't power on after unplugging and plugging back in, remove the top of the machine and check for 120v at the noise filter. Also look for a red light on inside the main pcb cover.

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#5 bamaguy

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Posted 28 April 2014 - 09:18 AM

There's 120V leaving the noise filter and no light on inside the PCB that I could see.  I took pictures of what I checked to make sure we're on the same page, but can't figure out how to upload them.  

 

Noise filter = circuit board with copper coil on it  First component the power passes through after leaving the outlet and connects to power cord.  I checked the downstream side.  

PCB = large circuit board in covered box at rear of washer.  I'm a pilot, and don't claim to be a repairman.  PCB for me means printed circuit board.  



#6 applianceman97

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Posted 28 April 2014 - 10:09 AM

You are correct on noise filter and main pcb location.

When unplug the washer and plug it back in, does the led light turn on the main pcb?

Sounds like you could have a bad main pcb. I will get you more voltages to check.

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#7 bamaguy

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Posted 28 April 2014 - 11:16 AM

I didn't see any lights on the PCB after plugging it back in.  Is the light easy to miss?  I've got the cover off and looking on the circuit board itself.



#8 electro_doc

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Posted 28 April 2014 - 12:21 PM

Is the board getting power?  The light is easy to see.  Power to board trough the noise filter and no light means you need a new board.

 

Doc



#9 bamaguy

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Posted 28 April 2014 - 12:39 PM

It's hard to follow the wires through the bundle all the way to the PCB, but the exit plug of the noise filter is 120V hot when the machine is plugged in.  When I take the cover off, I'm not seeing a bulb on LED on the PCB, that's why I was wondering if it'd be obvious.  



#10 Samurai Appliance Repair Man

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Posted 28 April 2014 - 12:54 PM

If you have a valid power supply to the main PCB but no output from it, then the main PCB is bad Part number: EBR62545101

Part number: EBR62545101



#11 electro_doc

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Posted 28 April 2014 - 01:35 PM

Check the wires where they plug into the pcb.  If you have 110 there and no light then you need a new board.  Buy to one from the post above and if it's not the fix you can return it. 

 

Doc



#12 applianceman97

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Posted 28 April 2014 - 02:09 PM

Like stated above check for 120v at the black and yellow relays on the board. I believe pin 1 black to pin 1 yellow should be where your looking for voltage.

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#13 bamaguy

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Posted 28 April 2014 - 04:15 PM

If you have a valid power supply to the main PCB but no output from it, then the main PCB is bad Part number: EBR62545101

Part number: EBR62545101

I get 120V at the black relay on the PCB (1 yellow/1 black wire to relay plug).  I also get 25V from the yellow relay next to it (1 red/1 blue wire to relay plug).  In the picture above, they're the relays on the bottom of the board.  Time for a new PCB?  If so, any idea what would make it fail out of the blue?



#14 applianceman97

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Posted 28 April 2014 - 04:28 PM

Order main PCB. If that doesn't fix it you can send it back. Make sure to order it from the link above.

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#15 bamaguy

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Posted 28 April 2014 - 04:38 PM

Ordered.  I appreciate the advice and will post a follow-up when it's swapped out.



#16 electro_doc

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Posted 28 April 2014 - 04:40 PM

Failure?  Just your turn in the bucket.  Happens all the time for no apparent reason.  Let us know what happens with a follow up post. 

 

Thanks

 

Doc



#17 bamaguy

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Posted 01 May 2014 - 07:35 AM

No luck after replacing the board.  FWIW, I don't see a light on this one either.  I'm going to double check the power supply and see if that's it.  I took pictures to make sure the relays were plugged into the correct spots, but there's one relay on the board that doesn't have a plug.  It's a small blue one on the bottom. 



#18 bamaguy

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Posted 02 May 2014 - 05:02 PM

I found the light, but it's not on.  



#19 Samurai Appliance Repair Man

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Posted 02 May 2014 - 05:28 PM

I found the light, but it's not on.  

 

The LED light comes on when the board is receiving a valid 120v AC power supply.  The fact that the light on even the new board means that there's a problem with the power supply.  

 

Did you check output from the filter board like I said in my previous post? Part number: 6201EC1006T

Part number: 6201EC1006T



#20 bamaguy

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Posted 03 May 2014 - 08:57 AM

I checked it again this morning just to make sure.  125V coming out of the red relay, outside prongs. No light on the pcb.






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