LG Refrigerator Error Code SS

The SS error code on an LG refrigerator indicates a failure in the Opti-Fresh sensor located in the chill compartment. The code is triggered when the control board detects either a cut wire or a short circuit in the sensor circuit. This prevents the refrigerator from accurately monitoring the temperature in the Opti-Fresh zone.

A reset may temporarily clear the SS code from the display, but it will return if the underlying wiring or sensor fault has not been repaired. The control board will continue to detect the open or short circuit condition each time it checks the Opti-Fresh sensor. A permanent fix requires inspecting and correcting the wiring or replacing the sensor.

Repair costs depend on whether the issue is a simple wiring fix or requires a replacement sensor. A wiring repair or connector fix by a technician typically falls in the range of $75 to $200 in labor. If the Opti-Fresh sensor itself needs replacement, parts and labor combined could range from $150 to $350 depending on the specific model and service rates in your area.

Start by inspecting the wiring connected to the Opti-Fresh sensor for any visible damage, cuts, or pinching. Check that the wire connectors are fully seated and free of corrosion. If the wiring appears intact, use a multimeter to test the sensor's resistance and the connector terminals. A faulty wire harness or sensor will need to be replaced to clear the error.

The refrigerator's main compartments will generally continue to operate, but the Opti-Fresh chill zone may not maintain accurate temperatures while the SS code is active. Foods stored in the chill compartment could be held at incorrect temperatures, which is a concern for perishable items like raw meat or dairy. It is best to relocate sensitive items and address the fault promptly.