Step1: Switch off power to the cabinet to prevent electrical shock and unplug unit if applicable.
Step2: Remove access panel and locate old temperature sensor inside control compartment.
Step3: Disconnect and carefully replace with new sensor in same position, ensuring correct polarity.
Step4: Route wiring neatly, avoiding sharp edges or moving parts to prevent damage.
Step5: Reconnect to control board and secure connections, tighten all terminals.
Step6: Restore power and verify temperature readings and system operation, confirm stable readings.