Which part is usually at fault for LG error PF?

The most commonly implicated component is the control board.

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

Press Clear/Off; if the code persists, cycle the circuit breaker (off thirty seconds, then on).

Error PF Informational US market

PF on a LG oven / range usually means: Power to the range was interrupted. On a LG Oven / Range, code PF points to the control board.

Fix it fast: Clear the power-failure code. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Clear the power-failure code
Easy
- Press Clear/Off; if the code persists, cycle the circuit breaker (off thirty seconds, then on).
Source

A voltage error was detected. On a LG Oven / Range, code F42 points to the power supply.

F17 indicates an Convection Fan Error. On a LG Oven / Range, code F17 points to the power supply.

F18 indicates an Oven Meat Probe Error. On a LG Oven / Range, code F18 points to the power supply.

F21 indicates a Steam Sensor Failure. On a LG Oven / Range, code F21 points to the power supply.

F22 indicates a Steam Sensor Failure. On a LG Oven / Range, code F22 points to the power supply.

F24 indicates a Steam Sensor Failure. On a LG Oven / Range, code F24 points to the power supply.

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