Display shows r dS; refrigerator defrost sensor error that can indirectly affect freezer performance.

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 refrigerator defrost thermistor, Loose or corroded connector, Damaged harness between sensor and PCB

Safety: Disconnect power before accessing panels.

r dS indicates the fresh food defrost sensor is faulty.

Access refrigerator evaporator: Remove shelves and the rear panel in the refrigerator section.
Locate defrost sensor: Find the thermistor clipped to the evaporator tubing.
Inspect and test: Check wiring, clip, and measure resistance. Replace if defective.
Reassemble: Reinstall insulation and panels to maintain proper airflow.

If r dS persists, the main control board may be at fault and should be checked by a technician.

Hard 4/5

Refrigerator Defrost Sensor

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