If the light in your Sub-Zero Wine Cooler is not working, you can follow these steps to troubleshoot and potentially resolve the issue:

1. Check the Power Supply:
   Ensure that the wine cooler is properly plugged into a functioning power outlet.
   Confirm that there are no tripped circuit breakers or blown fuses affecting the power supply.

2. Inspect the Light Bulb:
   The most common reason for a non-functional light in a wine cooler is a burnt-out bulb. Carefully remove the light bulb cover and inspect the bulb. If the bulb is darkened or the filament is broken, it needs to be replaced.

3. Replace the Light Bulb:
   If you determine that the light bulb is burnt out or faulty, replace it with a new one of the same wattage and type. Be sure to follow the manufacturer’s instructions for bulb replacement, as some wine coolers may have specific requirements.

4. Door Switch Inspection:
   Many wine coolers have a door switch that activates the light when the door is opened. Check if the door switch is functioning correctly. If the switch is damaged or misaligned, it may need to be repaired or replaced.

5. Control Panel Settings:
   Verify if there are any control panel settings related to the light. Some wine coolers allow you to adjust the brightness or turn the light on and off manually through the control panel. Consult your user manual for guidance on adjusting these settings.

By following these steps and conducting a thorough inspection, you can often identify and address the issue with the light in your Sub-Zero Wine Cooler. Always prioritize safety when working with electrical components and consider professional assistance if needed.