LG Oven / Range — Error Code F51
The griddle sensor is reporting a fault.
ApplianceDB ranks 1 repair for this code, led by “Reset at the breaker”. That top fix is an easy DIY job, involving the griddle sensor. Severity is classified as degraded — the appliance keeps running but not correctly.
Ranked repair steps
1. Reset at the breaker
Cycle the circuit breaker; request service if the griddle sensor error returns.
easy · basis: manufacturer first
Provenance: facts re-derived from an official manufacturer listing — LG USA Support — Range Error Codes List. Meanings and steps are original paraphrase; nothing is reproduced verbatim.