Author Topic: Kenmore Dishwasher Unresponsive Touchpad  (Read 9534 times)

Offline Repair-man

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #15 on: February 07, 2009, 07:05:35 AM »
Frank...see page 8 on the manual I provided.
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Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #16 on: February 15, 2009, 06:14:56 AM »
I got the console part from Repair Clinic, very easy switch out of the old part.  We washed two loads of dishes and all appeared good.  Late last evening I looked at the dishwasher and the Quick Rinse light was blinking again and the  touch pad was unresponsive; I left the door ajar over night.  This AM I closed the door and the Wash cycle display showed "2", it finished a cycle quickly and is now off. The Quick Rinse light is not blinking.  I suspect some other issues that still need to be resolved.

Offline Repair-man

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #17 on: February 15, 2009, 06:55:31 AM »
Use the Tech Sheet to check the Heater circuit.

The control is looking for a particular rinse temperature, so if the heater or thermostat is not working correctly, an error will occur on the control panel.  ("2")
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Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #18 on: February 15, 2009, 07:10:06 AM »
I do have a copy of the Tech Sheet you sent me.  I am out of my league in understanding how to use this to troubleshoot the issue.  I hate to be swiching out parts I might not need.  Any tests I can do to narrow the possibilities? 

Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #19 on: February 15, 2009, 07:27:44 AM »
A little more information.  Last evening the dishwasher has finished its cycle (the green light was on).  I opened the door to check the quality of the wash.  It was at some point after I shut the door that the quick rinse light began to blink.  I am not sure why the machine would be sensing for temperature if the wash cycle was complete.

Offline Repair-man

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #20 on: February 15, 2009, 10:25:38 AM »
That may be an important clue to check the resistance of the Thermister. The electronic control monitors everything connected to it. Please read the service manual on how to check the thermister and the heating element with your OHM meter. The values of each are provided there.
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Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #21 on: February 15, 2009, 11:30:37 AM »
The console is dead except when I push Cancel, "2" displays and it sounds like a drain cycle fisnishes and then the washer shuts off.  The thermostat is only $16, unfortunately a new  heating element is @$65.  Does the whole pump assembly need to be lifted to test/replace the thermostat? 

Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #22 on: February 15, 2009, 12:23:07 PM »
I was able to run a (short cycle) "26" (minutes?) through the dishwasher.  It got to "6" on the display and sensing and heating lights were on.  It ran  without droppping below 6 for quite a while and then quit, and the Quick Rinse light began to blink. In this state the uttons are unresponsive. While it was in this cycle the element was heating (very hot to the touch).

Offline Mr. Fix-It

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #23 on: February 15, 2009, 02:21:14 PM »
If your heater element is getting hot the element and thermostat are likely  OK. The problem likely lies with the "thermistor" Which is basically the temperature sensor. You have to pull the dishwasher out to check this part. As repairman said read the service manual and measure with an OHM meter and remember this parts resistance changes depending on the temperature so consult the manual.

Offline Frank

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #24 on: February 15, 2009, 02:51:05 PM »
In looking at the manual, I can't find any mention of the Thermistor.  I see the Operating Thermostat. I also see Hi-Limit Thermostat.  In the trouble shooting section it mentions a thermal fuse, but I can't find that on the illustrations in the manual.

Offline jumptrout51

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Re: Kenmore Dishwasher Unresponsive Touchpad
« Reply #25 on: February 15, 2009, 03:06:26 PM »
Some of these models have thermistors. In the absence of a thermistor they use the operating thermostat.
All this is explained in the manual.
Take a Kid fishing.

 

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