LG Refrigerator Error Code Outer sensor short

This error means the ambient temperature sensor, which monitors the air temperature around the refrigerator, has developed a short circuit fault. The control board is receiving a reading interpreted as exceeding +50°C, which indicates an electrical fault rather than actual room temperature. The sensor, its wiring, or the connector are the most likely points of failure.

A faulty ambient sensor can affect how the control board manages compressor cycles and cooling output, which may reduce the refrigerator's ability to maintain safe food storage temperatures. It is best to address the error promptly rather than continuing to run the unit with a known sensor fault.

A power reset may temporarily clear the error code from the display, but the fault will return as soon as the control board reads the shorted sensor again. The underlying cause, whether a failed sensor, damaged wiring, or bad connector, must be repaired before the error will stay cleared.

A knowledgeable DIYer can diagnose and fix this error by testing the sensor resistance with a multimeter and visually inspecting the wiring harness and connector. If the sensor reads near zero ohms, replacing it is a straightforward repair. If the harness is damaged, repairing or replacing the affected wires is also manageable without specialized tools.

If only the outer temperature sensor needs replacement, parts typically range from $10 to $40 depending on the model. If a professional technician is needed for diagnosis and repair, total costs including labor generally fall in the range of $100 to $250. Control board replacement, if required, can push costs higher.