LG Refrigerator Error Code 14

Error code 14 on an LG refrigerator signals a problem with the external atmosphere sensor system. The code appears when the sensor reports a temperature that is not lower than 122°F and not higher than -58°F, meaning the reading is outside the valid range the control board will accept. The cause can be a wiring fault, connector issue, missing sensor housing, or a defective sensor itself.

Error code 14 relates to the external atmosphere sensor rather than the internal food compartment temperature sensors, so it does not directly indicate that your food is at risk. However, if the refrigerator's control system relies on ambient temperature data for certain functions, those functions may be impaired while the fault is active. It is best to resolve the fault promptly rather than leaving it unaddressed.

A power reset may temporarily clear the error code display, but if the underlying wiring fault, connector failure, or sensor defect is still present, the code will return. A reset is useful for confirming whether the fault is intermittent, but it is not a fix. The sensor circuit needs to be physically inspected and repaired to resolve the issue permanently.

Some causes of error code 14, such as a loose connector or dislodged sensor housing, can be addressed without replacing parts. Start by inspecting the sensor wiring harness and connectors for visible damage, corrosion, or loose connections. If the wiring is intact and connections are secure but the error persists, testing the sensor with a multimeter or replacing the sensor component will likely require more technical experience.

If the repair requires only a connector cleaning or reseating, there may be no parts cost involved. Replacing the external atmosphere sensor typically costs in the range of $20 to $60 for the part, while professional labor for diagnosis and repair can add $75 to $200 or more depending on your location and service provider. Wiring harness repairs can vary depending on the extent of the damage.