Step1: Disconnect power and empty refrigerator compartment; ensure safe working temperature before servicing unit.
Step2: Remove old control panel/thermostat and carefully note all wiring positions for accurate reinstallation.
Step3: Install new control, secure mounting firmly and ensure sensor bulb placement inside the evaporator area.
Step4: Reconnect wiring per diagram, double-check polarity, and tighten all electrical terminals securely.
Step5: Restore power, set the temperature setting, and check proper cycling and cooling performance.