Step1: Disconnect power supply and allow oven to cool completely before beginning work.
Step2: Remove front access panel and locate the faulty thermostat assembly inside.
Step3: Detach wiring terminals carefully, noting positions or taking a reference photo.
Step4: Unscrew and remove old thermostat coil assembly from mounting bracket.
Step5: Install new thermostat, secure mounting, and reconnect wires to correct terminals.
Step6: Refit panel, restore power, and test temperature control for proper operation.