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?

Unplug or trip the breaker, hold Start/Pause for five seconds while unpowered, restore power, and retry.

Error PF Informational US market

PF on a LG dryer usually means: Power to the dryer was interrupted and a reset is required. On a LG Dryer, code PF points to the control board.

Fix it fast: Reset after the outage. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Reset after the outage
Easy
- Unplug or trip the breaker, hold Start/Pause for five seconds while unpowered, restore power, and retry.
Source

No current is being sensed at the heater, usually a home wiring or supply issue.

Improper voltage at the power cord, typically from reversed terminal wiring.

Airflow through the exhaust duct is restricted by roughly eighty percent.

Airflow through the exhaust duct is restricted by roughly ninety percent.

The door is not fully closed or is obstructed. On a LG Dryer, code DE points to the door.

A water-supply problem affected the steam cycle. On a LG Dryer, code E05 points to the water inlet valve.

Have a different code? Look it up instantly.