If your Thermador tmh45 cooktop stops working, it must be fixed. Don’t panic! There are few possible issues in this case. First you must check the power cord. The cooktop power cord can deteriorate over time. Check the insulation for cracks or bare spots. Replace the power cord if it's damaged or doesn't work because of a break in the wiring. Maybe the cooktop has a problem with glass, you must check it, if it is damaged or cracked it needs to be replaced. With our simple guide, you can do it. Just prepare some items: Phillips screwdriver, work gloves and new manufacturers approved glass top.
Electric cooktops typically have 2 house fuses or a double breaker, one for each 120-volt leg of the 240-volt power. To prevent electrical shock and damage to the cooktop components, remove both fuses or shut off both breakers (if a clip connects the double breakers, shutting off one should shut off both). Use your installation manual to guide you in this step. Remove the screws from the brackets that hold the cooktop in the counter. Carefully lift the cooktop up and set it on the counter. Remove the screws that secure the burner box to the glass top. Lift the glass top up slightly and unplug the wire harness connection on the user interface controls. Lift the cooktop off of the burner box and discard it. Position the new glass top on the burner box and plug in the user interface control wire harness. Replace the screws to secure the glass top to the burner box. Lower the cooktop into the counter. Reinstall the mounting bracket screws. Turn on the electric power to the cooktop.
Make some tests. It must work like a new one. If this doesn't work, there could be a defective part that requires a replacement, and you may need to consult a professional.
