LG dishwasher error code

PF

Power failure detected

The dishwasher lost power during a cycle, often from an outage or an unstable circuit.

Try these free fixes first

Unplug the dishwasher before opening any panel.

  1. Press any button on the control panel to clear the display.
  2. Make sure the dishwasher is not plugged into an extension cord.
  3. Check that its circuit breaker has not tripped.
  4. Restart the cycle.

Still showing PF?

Call an electrician if power keeps dropping, as the circuit should be a dedicated, grounded 15-amp line.

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Questions people ask

What does PF mean on a LG dishwasher?

PF on a LG dishwasher means: power failure detected. The dishwasher lost power during a cycle, often from an outage or an unstable circuit.

How do I fix LG dishwasher error PF?

Press any button on the control panel to clear the display. Make sure the dishwasher is not plugged into an extension cord. Check that its circuit breaker has not tripped. Restart the cycle.

When should I call a repair technician?

Call an electrician if power keeps dropping, as the circuit should be a dedicated, grounded 15-amp line.

Related dishwasher codes

Samsung 3CDishwasher: Pump failureSamsung bEDishwasher: Stuck buttonBosch E27Dishwasher: Low power supplyWhirlpool F1E1Dishwasher: Control module problemWhirlpool F2E1Dishwasher: Stuck key or console errorWhirlpool F6E1Dishwasher: User interface or main control error

Source: LG official support · Reviewed 2026-10-01