Examined unit. Found final rinse temp 130*. Booster on. Contactor pulling in when heat light icon on. When light goes out, contactor opening. Unit not calling for heat. All elements heating. Booster reading 130. Final rinse gauge reading 130*. Temp probe in booster good. Will order control board. QWP (expedited freight) 12-1-16 Returned. Waited for customer to finish using dishwasher. Shut off power to unit. Removed and replaced controller. Programmed controller. Tested. Unit getting to set point, cycling. Gauge on d/w reading same as set point. Pressure relief valve bad. Will order and return. Set a few degrees lower so valve won't open. 12-2-16 Returned. Removed and replaced relief valve. Tested. Set temp to 181*. Dishwasher showing 180. Booster cycled, no leaks. Tested good.