The Siemens HTHB86P is a combi microwave oven model, part of the Siemens range of built-in microwave ovens designed to provide flexible cooking options, such as baking, grilling, defrosting, and reheating.
Grill heating element
Replacing an IGBT(Insulated Gate Bipolar Transistor)
These are some common tools used to work on this device. You might not need every tool for every procedure.
Soldering Station
Flathead 3/32" or 2.5 mm Screwdriver
iFixit Thermal Paste