Summit Short Cycling / Control Instability

Wine cooler cycles on and off very frequently (short cycling).

Safety Warning

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

Temperature sensor located too close to evaporator, Oversensitive control algorithm, Poor air circulation around sensor, Incorrect thermostat differential

How to Fix / Troubleshooting

Safety: Unplug before moving sensors or accessing controls.

Check sensor placement: Ensure the cabinet sensor is not directly in the cold air stream or touching the evaporator. Reposition slightly away from direct airflow.
Stabilize load: Avoid placing hot bottles directly in front of the sensor.
Control board firmware: If short cycling persists, replacing the main control board with an updated version may improve control stability.

Repair Difficulty

Medium 3/5

Required Part

Cabinet Temperature Sensor (NTC)

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