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I have another question regarding a KitchenAid dryer, model #KEHSO1P WH1. The last advisor I talked to said that from the terminal block, phase 1 to neutral should be infinite. I measured 120 ohms. I disconnected P1 (on the electronic control board), and then the reading was infinite. I ordered a new circuit board based on this, and it measures the same 120 ohms. The +V terminal of the heater relay on the old board was a little charred, with some melted plastic. I have also replaced the high limit thermostat, the thermal fuse, and the thermistor. In diagnostic mode, everything checks out ok - moisture sensor, door switch, etc. Theater checks out OK. Not grounded, and measures 11 ohms, terminal to terminal. I guess I still don't understand the root cause of the problem. I suspect that it is the elctronics control board, but I don't know of a measurement I can make to verify this. Thanks for your help.

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  • Albert Lemieux Jul 13, 2010

    Jumah seems to have gone offline. haven't heard from him for several days. Still have a question waiting.

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  • Kitchen Ranges Master
  • 6,826 Answers

It appears that you have gone further than many novices or even technicians would go on repairing this problem using an Ohm Meter.

The +V terminal of the heater relay on the old board being charred is not a good sign.

I don't have a lot of time to answer this question but did find a site on Kitchenaid.com that has quite a few .pdf files that you might find helpful in diagnosing the problem, although, they seem to be a bit less technically oriented:

http://shared.whirlpoolcorp.com/product_literature/search_results.jsp?searchTerm=kehs01p&siteCd=KAD&userType=Consumer

Posted on Jul 13, 2010

  • Albert Lemieux Jul 13, 2010

    I think that I have the fryer working, onllow heat for the time being. My scenario goes like this: The high limit thermostat fused shorted. This in turn took out the thermal fuse, and in the process, weakened the control board. When I replaced the high limit thermostat and the thermal fuse, the weakened board took out the thermal fuse again. This time, I replaced the board, the high limit thermostat, and the thermal fuse. Now it seems to be working. Does this scenario make sense? I am basically looking for the root cause, and am guessin g that it was the high limit thermostat.

  • Duane Wong
    Duane Wong Jul 13, 2010

    Like I said, you have gone further than most technicians would have, in my opinion.



    Kudos to you.

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  • Master
  • 1,561 Answers

Hello,

Would you please shed more light on this question, dont really understand what exactly the problem is, i will like you to shed more light on this question so that i can proffer a solution.

Thank you.

Posted on Jul 07, 2010

  • Albert Lemieux Jul 09, 2010

    Originally, the thermal fuse blew, and the high limit thermostat shorted (fused). The thermistor checked out OK. I replaced the high limit thermostat and the thermal fuse. The dryer worked for about a week, and the thermal fuse went again. This time, I replaced the thermal fuse, the high limit thermostat, and the control board. I suspect that the problem is solved now, but I don't know how to test the board to show that it is bad, and that makes me think that maybe I have not found the root cause. Any comments?

  • Albert Lemieux Jul 11, 2010

    It has been a couple of days. When might I expect an answer?



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