KA dishwasher not heating at all

[ultramatic52]

People I´m desperate. I owned a 3 year old KA dishwasher. A 3 rack model. It stopped heating some time ago. I´ve changed the control panel, soil/thermistor sensor, hi limit sensor, hi limit sensor on the control panel, checked all the cables, tested the heating element (works fine) and still not making it to heat. I have runned it through the test and it does heat on the heating part but only without water, but during a cycle it never heats. I ´ve tried it on every cycle and no heating in anyone. I would appreciate some advice.

 

[stevet]

You missed one thing..

If you ran the diagnostics and the element heated then like you said, the components are good.
There are thermostats under the tub either 1 or 2 that control the temp of the water and could prevent the element from heating during a cycle. Check to make sure it is good. It can either be normally closed and works as a safety thermostat or it can be a delay thermostat that closes when it reaches a specific temperature to signal the controller that it has reached the proper temperature.

You can see this on a parts diagram and should also be on the wiring diagram that is part of the service literature behind the door panel.
Hope that this helps
Steve

 

[ultramatic52]

Stevet

Hi. Thanks for your response. I have already checked every sensor, and changed them for new ones and even though I still don´t get it to heat. I´m desperate.