Wine cooler not cooling at all; interior light works but compressor and fans are off, no error code displayed.

Safety: Disconnect power before accessing the rear or control panel.

Steps:

• Confirm power: Verify that the outlet has power and that the unit is switched on and not in demo mode (if applicable).
• Check temperature setting: Ensure the setpoint is below room temperature so the unit should be calling for cooling.
• Inspect control board: Remove the rear panel and look for blown fuses or burnt components on the main PCB.
• Check compressor start components: Inspect the compressor start relay and overload protector for damage. Replace if burnt or rattling.
• Test continuity: With power off, check wiring continuity from the control board to the compressor and fans.
• Replace main PCB: If wiring and start components are good but the board does not send power to the compressor or fan, replace the main control board.

Note: If you are not comfortable testing live voltages, contact a professional technician.