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grolson 05-06-2013 06:05 PM

Intermitent start and stop on Washer
Our washer has been intermittently stopping during cycles. At times for 10 minutes or more. First time a burnt electrical smell. I took the bottom end apart and all is good with the coupler, clutch, etc. I wondered because first time I couldn't get it to spin on any of the cycles. Then I realized it wasn't doing anything. finally it started working, so I checked all functions, spin, agitate, fill, all work, but only for a while, then nothing again. I wondering, Timer, starter switch, or possibly capacitor heating up then cooling down and working again??? What's my best bet??
Ultimate Care II

fairbank56 05-07-2013 07:44 AM

Could be the thermal overload in the motor tripping. I would remove the cabinet, jump out the lid switch and see if that cures the problem first. If not pull the pump off of the motor and run it in spin cycle to see if it completes without cutting off. Could be something in the pump jamming it causing excessive load on the motor. If it cuts out in the middle of running normally, I would not suspect the capacitor as it is not in circuit once the motor is up to speed unless the motor switch is defective. To check the motor start contacts in the motor switch, unplug the wiring harness connector from the motor. Check continuity between the motor black wire terminal and the terminal where the red wire of the harness connector connects on the motor switch. This should read zero ohms (dead short). Now remove the screw holding the start switch to the motor and pull the switch away from the motor so that the lever arm is free. It should now read open circuit. Other possibilities include a defective speed select switch at the control panel.


grolson 05-07-2013 09:29 AM

Thanks, I give it a try tonight and see where it leads me.

grolson 05-07-2013 01:51 PM

Well, Lid switch checks OK, Motor contact checks correctly, but boy, the motor is hot. The pump seems free spinning enough, and the transmission is not warm at all. I'm trying to figure a reason for the heat. Is the motor thermally protected inside?? Is there a way to check that circuit when its hot and when its cold??

fairbank56 05-07-2013 03:30 PM

Yes, there is a thermal switch in the motor. When the motor kicks off, disconnect the connector from the motor and check continuity on the motor between where the white wire and the white/black wire connect. If it's open, the switch has tripped. After it cools it will reset and you will have continuity. It is normal though for these motors to get quite hot while in use but if it's tripping the overload, there's a problem.


grolson 05-07-2013 05:43 PM

Thanks for that tip, that is definitely the problem. It trips for sure.
Now, what's causing it?? Could it be low gear oil in the transmission, I think its 10w90, there was a smattering of it on the walls of the cabinet among other places.
How much should be in the case, I can open it and refill it.

fairbank56 05-07-2013 06:30 PM

Pull the motor and run it with it sitting on the floor. Place your foot on it before starting it as it will want to jump when starting. If it still trips, it's not the gearcase. There may be a problem with the speed select switch.


grolson 05-07-2013 07:47 PM

I pulled the motor and sure enough it trips even when running on the floor. I tried changing the speed and it does change between high and low.
I used a compressor and cooled it down until the continuity came back.
Then I ran it on low speed but it still tripped. So, I assume the thermal protection is not changeable. So I would be looking at a motor, correct??

fairbank56 05-07-2013 09:51 PM

Not yet. This is a 3 speed motor. Sometimes a faulty speed switch (fabric selector) will try to select more than one winding at the same time causing an overload. I need to see a clear photo of your wiring diagram, can't find the one for your model. With the diagram, I can tell you how to bypass the switch.


grolson 05-08-2013 07:01 AM

They enclosed one, How do I get it to you?

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