Mikhail Y Longmeadow , MA June 27, 2016 Appliance: Samsung Built-In Microwave Oven SMH9207ST/XAA-0001 Samsung Microwave Smh9207st/Xaa-0001 / : No power on samsung smh9207st. How to replace Microwave Temperature Control Thermostat. After I changed 2 thermostats it started to work 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes