ErrorCodeDoctor
LG · Range (Electric)
LG Range (Electric) F51 error code
Difficulty: Hard
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Cost: $80–$250
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Duration: 5m
The F51 error means your LG range detected a problem with the griddle sensor — the temperature sensor that monitors heat levels on the built-in griddle surface. When it develops a fault the range cannot regulate griddle temperature safely and stops the griddle function. A circuit breaker reset clears it in some cases but if F51 keeps returning the griddle sensor will need to be inspected and replaced by a technician.
Common causes
- Griddle temperature sensor has malfunctioned or failed
- Wiring connection to the griddle sensor is loose or damaged
- Internal fault in the griddle sensor circuit
How to fix it
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1
Turn off the circuit breaker for the range and wait 30 seconds
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2
Turn the circuit breaker back on and check if the error has cleared
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3
If F51 persists after resetting the griddle sensor needs inspection and replacement by a qualified technician