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- > Do-It-Yourself Appliance Repair Help > The Laundry Appliance Repair Forum > Kenmore 417.40042990 front load washer wacky spin cycle

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Kenmore 417.40042990 front load washer wacky spin cycle  Rate Topic 
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 Posted: Sat Jun 14th, 2008 03:16 am
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tbartoli
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I have a Kenmore front loader, model 417.40042990, that will not go into the spin cycle properly.  The wash/agitate and rinse cycles work fine.  When the cycle selector/indicator knob shows Spin, the machine behaves as follows:

The pump drains all the water and continues to run. The drum runs at normal agitate speed in one direction for 4-5 seconds. Then, runs at normal agitate speed in the opposite direction for 9-10 seconds.  It does this for several minutes (5?).  Then, the pump shuts off.  The drum runs at normal agitate speed in one direction for 9-10 seconds.  Then runs in the opposite direction for 9-10 seconds. It does this for a few minutes then the end of cycle buzzer sounds and the machine turns itself off.

It appears tp be in wash mode rather than spin mode.  Thus, my guess is it is the motor control board.  But, at over $100 I want to be sure it is bad.  I looked at the tech sheet and the instructions for checking the motor and motor control seem to be for a motor that will not run at all.  Can I still use the tech sheet procedure to check the control board?  If not how do I test it?  Do you have any other suggestions?


Also, the belt seems to be in good condition and properly tensioned and the drum does not seem to be obstructed.  The only visible problem I see is one of the shock absorbers has a broken mount.



Best regards.

Tom

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 Posted: Sat Jun 14th, 2008 02:37 pm
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Check the (water level) Pressure Switch

The "Full" contacts may be shorted.

417.40042990 Wiring Diagram

 



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 Posted: Sat Jun 14th, 2008 04:30 pm
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tbartoli
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I pulled the pressure switch and it shows continuity between  terminals 1 and 2.  No continuity between 1 and 3 (or between 2 and 3).  If I blow into the inlet tube it shows continuity between terminals 1 and 3.  So, I believe this switch is working properly.  Other ideas?

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 Posted: Sat Jun 14th, 2008 04:55 pm
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IS the water draining ?

It would seem that the Pump should only run when the Water Level Switch 1-3 is closed



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 Posted: Sat Jun 14th, 2008 04:59 pm
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tbartoli
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Yes, the water drains just fine plus I can hear the pump running when the cycle knob shows spin.

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 Posted: Sat Jun 14th, 2008 05:51 pm
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tbartoli wrote: ... The only visible problem I see is one of the shock absorbers has a broken mount.


I didn't see that ...

that's probably the reason, it senses the load is unbalanced...



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 Posted: Sat Jun 14th, 2008 06:24 pm
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tbartoli
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I also thought the machine might be might sensing a load imbalance.  I know it is not the same but I held the shock absorber in place by hand to steady the drum but that did not help.

Given that information, do you still think the shock is a good bet?  If so, I can certainly replace it (which needs to be done anyway) and see what happens.

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 Posted: Sat Jun 14th, 2008 06:49 pm
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You could try replacing the Shock Absorber

I don't know if you'd be able to hold it enough.

I'm not sure how sensitive the Motor controller is with unbalanced loads.

 



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 Posted: Sat Jun 14th, 2008 07:27 pm
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tbartoli
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How is load imbalance sensed?  I do not see a switch for that on the wiring diagram or the parts list.   Can I bypass that sensor some way and see if the machine will spin?

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 Posted: Sat Jun 14th, 2008 08:06 pm
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It probably sensed by the Motor Controller.

On my LG, the Motor Controller senses changes during each part of a revolution of the drum.



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 Posted: Sat Jun 14th, 2008 08:11 pm
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tbartoli
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That makes sense.  I will go ahead and replace the broken shock absorber.  As I said, it should be replaced anyway.  If it solves the spin problem, all the better.  Thanks very much for your help.

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 Posted: Sat Jun 14th, 2008 09:00 pm
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tbartoli
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As a test, I have re-attached the shock absorber with bailing wire.  I got a nice secure attachment.  I am running a small load of clothes through the machine now.

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 Posted: Sat Jun 14th, 2008 09:37 pm
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tbartoli
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Well, the test with the shock absorber re-attached was not successful.  The machine acted exactly as it did before.  It never goes into final spin but it drains.

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 Posted: Sun Jun 15th, 2008 03:24 am
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My bet would be the motor control board. So far has always been control board , and not the motor or timer. But , always a first.

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 Posted: Sun Jun 15th, 2008 03:39 pm
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certified tech group 51
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The  rotate one way then stops and then reverse rotation is the machine has detected an out-of- balance condition. It is trying to redistribute the load with the foward/ reverse rotation  (inbetween the fins)... But it cannot redistribute the load, front to rear in the spin basket. You have to open the door and manualy shift the load.....  Test your machine with no load. Put into  spin cycle ( start of spin cycle, not half way thru a spin cycle)... close the door... start cycle.......     Still out of balance ?  Check the motor and the tach. wires and the connectors, use the  tech. sheet  located in the lower part of the machine. Out-of-balance is detected thru tach. speed.   P.S    Once I had a pump with high resistane readings, slow pump out..... changed pump... fixed spin problem.....check pump when you are down there........

Last edited on Sun Jun 15th, 2008 03:49 pm by certified tech group 51

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 Posted: Mon Jun 16th, 2008 12:51 am
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jambatt
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Is door lock light lit at beginning of spin cycle? Is door locked when spin cycle starts? 



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