Wine cooler displays F8 and the compressor may not run, even though the display is on.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed compressor relay on main board, Burnt relay contacts, Damaged wiring to compressor, Internal board trace damage

Safety: Unplug the unit before accessing the rear and control board.

Steps:

Check compressor start components: See E5 for testing the start relay and overload.
Inspect board relay: Remove the main control board and visually inspect the compressor relay for burn marks or cracked solder joints.
Check wiring: Verify continuity from the board's compressor output to the compressor terminals.
Replace board: If the relay is burnt or the board is damaged, replace the main control board with the correct JennAir part.

Hard 4/5

Main Control Board

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