Error code Er RS displayed, refrigerator temperature reading inaccurate or missing.

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 thermistor, Loose or corroded connector, Broken harness in cabinet, Faulty main control board ADC

Safety first: Disconnect power before servicing.

Steps:

1. Locate refrigerator sensor: Behind a small cover on the fresh food rear wall or near the air return.
2. Inspect wiring: Ensure the connector is tight and wires are intact.
3. Test sensor: Measure resistance and compare to spec. Replace if out of range.
4. If sensor is good: Inspect harness and main control board; replace faulty component.

Medium 3/5

Refrigerator Thermistor

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