Step1: Disconnect electrical power and shut off the gas supply to the oven before servicing.
Step2: Remove the access panel and locate the existing flame sensor near the burner assembly.
Step3: Disconnect the sensor wire and remove the mounting screw securing the old sensor.
Step4: Install the new flame sensor in the same position and tighten the mounting hardware.
Step5: Reconnect the wire terminal securely.
Step6: Restore power and gas, then test ignition cycle to verify proper flame detection and safe operation.