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LG Dishwasher Error Code PF: Power failure notice
Applies to LG dishwashers that show PF on the display.
Not an error: power was interrupted during a cycle. Restart the cycle to resume, as LG's guide puts it.
What this code means
PF records a power interruption. It is information, not a diagnosis: restart the cycle and the machine continues.
The manufacturer's checks, in order
- Restart the cycle — PF simply resumes from the interruption.
None — this is a notice, not a fault.
Related LG dishwasher codes
IE — Water inlet errorOE — Drain (water outlet) errorAE — Leak detected errorFE — Overfill errorHE — Heater errortE — Thermistor (temperature sensor) error
Source & provenance. The meaning, the checks and their order, and the service line on this page are restated from LG official — “How Do You Fix Common Dishwasher Problems?” (LG Story) and “LG Dishwasher — Understanding Error Codes” (Help Library) (source), read on 2026-11-06. No forum content, no invented repair steps, and nothing involving gas, refrigerant or mains wiring. Where the manufacturer says to request service, this page stops too.