What PF means
Usually appears after a power outage.
Likely causes
- Power outage or interruption
Safe first checks
- Unplug the dryer or turn off its breaker, hold Start/Pause for 5 seconds, then restore power and run a cycle.
When to stop
If PF persists, request service.
Checked against: LG USA Support: LG Dryer error code list. Codes can differ by model and year, so confirm with your owner's manual.