Replacing the module-control board on a Thermador CET366FS cooktop involves a systematic process. The control board is responsible for managing the cooktop's functions and settings. Here's a step-by-step guide to help you with the replacement: 1. Safety First: Before starting any repair work, disconnect the cooktop from its power source to avoid electric shock. Turn off the circuit breaker or unplug the cooktop. 2. Access the Control Board: To access the control board, remove the cooktop's surface or control panel. The control panel is typically held in place with screws or clips. 3. Identify the Control Board: Locate the module-control board, which is usually a rectangular or square-shaped component with wires connected to it. 4. Disconnect the Wires: Carefully disconnect the wires attached to the old control board. Take note of their locations or take a picture for reference. 5. Remove the Old Control Board: Unscrew or unclip the old control board from its mounting bracket or holder. 6. Install the New Control Board: Align the new control board with the mounting bracket or holder and secure it in place with screws or clips. 7. Connect the Wires: Reconnect the wires to the appropriate terminals on the new control board based on your reference. 8. Replace Cooktop Surface or Control Panel: Put the cooktop surface or control panel back in place and secure it with screws, if applicable. 9. Test the Cooktop: Turn on the power and test the cooktop to ensure that the new control board is working correctly. Check that all functions and settings are operational. If you encounter difficulties during the process or are unsure about performing the replacement, it's best to seek assistance from a professional appliance repair technician. They have the expertise and tools to handle the replacement safely and effectively, ensuring your Thermador CET366FS cooktop operates properly with the new module-control board.