Dishwasher water temperature?

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Old 08-06-20, 08:47 AM
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Dishwasher water temperature?

Diagnosing why my 8-year old Kenmore dishwasher isn't cleaning the dishes very well.
-Cleaned all the hoses, all the spray arms, filters etc.
-Drains OK, refills back to float valve.

When I let it run for about 30mins on high-temp cycle, I opened the dishwasher and the water is measuring 105F, I'm reading it needs to be 120F minimum...I'm wondering if the issue is that the heating element is not heating the water enough or a bad thermostat maybe?

Is there any easy way to know if the heating element is toast, or anything else to check?
 
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Old 08-06-20, 09:10 AM
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I check heating elements with a multi meter. I check for continuity between the two electrical connections which it should have. If you have the service manual it might tell you the resistance you should see. Then I check for continuity from a electrical connector to the outer metal case of the heater for a short. Another, easy way to check is run hot water from the sink and measure it's temperature and compare with the temp of the water in the washer.
 
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Old 08-06-20, 10:19 AM
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First measure the temperature of your hot water.

120 is the recommended temperature of the water going into the dishwasher.
Then on most cycles the heater raises it higher.

A model number would be helpful here.

Often the tech sheet/wiring diagram is stuck to the back of the kick plate.
 
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Old 08-06-20, 11:48 AM
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Water coming out of the tap is 120F that's what I have my water heater set at - It doesn't seem that the dishwasher is elevating it more than the water out of the tap...

Model is Kenmore 12093.
 
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Old 08-06-20, 12:19 PM
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A ken more model number is usually 3 digits then a period and then an additional 5 or 6 digits.
The first 3 digits designate who actually made it.
 
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Old 08-06-20, 01:19 PM
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Ah found it - 665.12093K is on the sticker
 
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Old 08-06-20, 08:59 PM
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That would be a Whirlpool built appliance.
The model number is very important for us to help you.
What you posted is not complete. Could it be 665.12093K210 ?

I'm showing the tech sheet for that unit is W10350141 (B). I thought I had it but can't find it.
Look carefully under your washer for it. It will contain the wiring diagram.
 
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Old 08-07-20, 06:15 AM
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Below is a link to the tech sheet.
I think it is the correct one
https://pdfhost.io/v/FOiBBBP0i_Tech_Sheet_W10350140.pdf
 
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