pf
Easy Fix
LG · Dishwashers
Power failure - the dishwasher has detected an interruption in the electrical power supply during a wash cycle
Quick Answer
Error code PF on your LG Dishwashers means: Power failure - the dishwasher has detected an interruption in the electrical power supply during a wash cycle. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Power outage or momentary power interruption occurred during a cycle
  2. Dishwasher is not on a dedicated circuit breaker (requires 120V, 60Hz, 15 amp minimum)
  3. Loose power cord connection at the outlet or at the dishwasher junction box
  4. Faulty circuit breaker that cannot handle the electrical load
How to Fix It
1
Press and hold any button on the dishwasher control panel for 10 seconds to clear the display
2
Press POWER to restart the dishwasher and select a new cycle
3
If the error occurs frequently without power outages, verify the dishwasher is connected to a dedicated 120V, 60Hz circuit with a minimum 15-amp breaker
4
Check that the power cord is securely plugged into the outlet and the connection at the dishwasher junction box is tight
5
Do not use an extension cord with the dishwasher
6
If the error continues, have an electrician inspect the circuit breaker and wiring
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Power cord
Junction box wiring
Related Error Codes
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