Model compatibility: LG reuses codes across series and model years, so F18 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
F18 indicates an oven meat probe error on an LG range with an oven.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
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Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
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