What does the accutemp do?
Answer Hello Gary. The accutemp uses a thermistor to read the temperature inside the tub and turn on and off the heater to keep the water at the correct temperature.
Dishwasher 10 years old now no lights and nothing works, could it be control board?
Answer Hello Benny. Yes, if there is power coming to the control assembly 99002823 and it does not lite up, you will need to replace the control assembly. Hope this helps.