How to Fix / Troubleshooting

Safety: Unplug the unit before accessing internal components.

Steps:

Stabilize usage: Limit door openings and avoid placing hot bottles directly inside.
Optimize loading: Distribute bottles evenly and avoid blocking internal air vents.
Check thermistor location: Ensure the sensor is positioned away from direct cold air discharge and not touching the evaporator.
Replace thermistor: If fluctuations remain extreme, replace the cabinet thermistor with a Whirlpool-compatible part.
Control board: Persistent instability after sensor replacement may indicate a faulty control board.

Wine cooler temperature fluctuates widely throughout the day.

Possible Causes