Which part is usually at fault for LG error F10?

The most commonly implicated component is the door lock.

What is the first thing to try for LG error F10?

Press Clear/Off and retry; if the locking system error persists, cycle the breaker and request service.

Error F10 Stops machine US market

F10 on a LG oven / range usually means: The upper oven door locking system failed. On a LG Oven / Range, code F10 points to the door lock.

Fix it fast: Clear and reset the door lock. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Clear and reset the door lock
Easy
- Press Clear/Off and retry; if the locking system error persists, cycle the breaker and request service.
Source

F20 indicates a Door Locking System Failure (Lower Oven). On a LG Oven / Range, code F20 points to the door lock.

Sabbath mode is active. On a LG Oven / Range, code 5B points to the control system.

The upper oven thermistor is reporting a fault. On a LG Oven / Range, code F1 points to the oven thermistor.

An oven sensor fault was detected. On a LG Oven / Range, code F16 points to the oven sensor.

The upper oven thermistor is reporting a fault. On a LG Oven / Range, code F2 points to the oven thermistor.

A touch pad sensor key error was detected. On a LG Oven / Range, code F3 points to the touch pad.

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