Could it be thermal fuse on dishwasher?

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Old 09-17-20, 07:42 AM
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Arrow Could it be thermal fuse on dishwasher?

I have a Kenmore 665.13802N710 dishwasher.

It wasn't drying the dishes. So I pulled it out and checked the heating element. It ohmed bad so I replaced it. Dishes are still not coming out dry at end of cycle.

It looks like there is a thermal fuse but I have not checked that yet. Thought I would run it by you all first. Any thoughts that it could be that or maybe something else?

Thanks
 
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Old 09-17-20, 02:01 PM
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Yes it could b the thermal fuse.

 
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Old 09-17-20, 02:57 PM
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This unit doesn't use a thermal fuse.

The heating element has a cycling thermostat inline. It's mounted towards the front of the tub.
It's part # 16 located under the "Tub and Frame parts" tab in the link directly below.
Exploded parts views

The pdf file below is the tech sheet for servicing your washer.
Please let me know when you have it as I don't leave them posted.
Tech sheet W10849767 revA available on request.
 

Last edited by PJmax; 09-18-20 at 04:40 PM. Reason: removed tech sheet
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Old 09-18-20, 04:46 AM
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Got it. Thanks a lot. Haven't read it yet but will.
 
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Old 09-18-20, 04:51 AM
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PJmax, can this thermostat be tested with a meter to see if it is good or bad?

 
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Old 09-18-20, 05:43 AM
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It should be 0 ohms at room temperature.

IF OK then check for continuity to the element and hi limit circuit at the control board.

If OK then check the thermistor resistance.

If OK then odds are the board is bad.
 
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Old 09-18-20, 04:35 PM
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Will do. Can rule out heating element. That was my first guess. Tested it and it ohmed bad. Replaced that but still doesn't dry the dishes as good as it should. Mostly dry but lots more water on some of them than I think there should be just based on previous dishwashers that I have had. Missing my Bosch.
 
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Old 09-20-20, 01:28 PM
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Looking at the schematic for the wiring and wires that go to hi-temp thermostat are maked as BU/R. I am guessing that this means blue wire with red stripe. Is that correct.

Couldn't tell from parts diagram where the thermostat is located but it looks like it in on the right side (facing the dishwasher) about 8" or so back.

Thanks
 
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Old 09-20-20, 02:03 PM
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Correct on the wire color and I believe correct on the thermostat location too.
 
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Old 09-23-20, 04:03 PM
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Well, I replaced the hi-Limit thermostat. Doesn't look like that helped make everything be dry and the inside of the door is wet also when I open it after cycle is done. Maybe I am just expecting too much and this machine just doesn't dry as well as the Bosch I used to have. I ohmed the old thermostat and just at room temp it ohmed the same as the new one so I don't have much faith that it was bad. But of course I didn't heat it and check operation.

I think I have covered all I can do. If you guys have any other ideas or suggestions just send them on. If you think I should be getting dishes that are not completely dry and standing water on inside of door when cycle is complete feel free to say that too. Thanks for all the help as usual.
 
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Old 09-23-20, 04:19 PM
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If the heater was working properly the interior should be very hot 15 or so minutes after the wash cycle ends.
 
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Old 09-24-20, 05:21 AM
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As Pjmax said if the dishes are very hot after 15 minutes into a dry cycle then the heater is working.

Also are you using rinse aid?
If not you should be.
 
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Old 09-26-20, 04:13 PM
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End of problem.

Came across a great bargain on a Bosch dishwasher that is in excellent condition. They were just swapping out their appliances to a different color. Already installed and ran a load. Works fantastic.

Put the Kenmore up for sale just enough to get my parts money back. And if I don't even get that I'm ok.

Problem solved.

Thanks for all of your help though. Much appreciated. You guys are great.

 
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