To replace the light switch of the Sub-Zero control display, follow these steps:
1. Disconnect power: Unplug the refrigerator or turn off its circuit breaker for safety.
2. Access the control display: Depending on the model, you may need to remove the front panel or trim to access the control display.
3. Remove the old light switch: Carefully detach the wires connected to the old light switch, and take note of their placement for reconnection.
4. Install the new light switch: Connect the wires to the corresponding terminals on the new light switch.
5. Test the switch: Before reassembling, test the new light switch to ensure it works correctly.
6. Reassemble: Put back the front panel or trim that was removed.
7. Restore power: Plug in the refrigerator or turn on the circuit breaker.
8. Always consult your refrigerator's manual for specific instructions and the correct replacement light switch model. If you're unsure about the process, consider consulting a professional technician for assistance.