LG Dishwasher PF Error Code – Power Failure Fix Guide

LG dishwasher PF error? Learn what causes power failure, how to fix it fast, and tips to prevent it from happening again.

ERROR CODES

4/18/20261 min read

blue and white cooking pot on stove
blue and white cooking pot on stove

⚡ What Is PF Error on an LG Dishwasher?

The PF error code means Power Failure.

It appears when:

  • Power supply is interrupted

  • Voltage fluctuates

  • The dishwasher was unplugged or restarted mid-cycle

This error is more of a warning than a serious fault.

🚨 What Happens When PF Error Appears?

  • Dishwasher stops mid-cycle

  • Display shows “PF”

  • Cycle progress is lost

  • Machine may need a restart

🛠️ Step-by-Step Fix (Follow in Order)

1. Restart the Dishwasher

  • Press Power Off

  • Wait 5–10 minutes

  • Turn it back on

👉 In many cases, this alone clears the error.

2. Check Power Connection

  • Ensure plug is tightly connected

  • Avoid loose sockets

3. Inspect Circuit Breaker

  • Go to your home electrical panel

  • Reset any tripped breaker

4. Resume or Restart Cycle

  • Select your wash cycle again

  • Start fresh if needed

5. Use a Stable Power Source

If power cuts are frequent:

  • Avoid running during unstable supply

  • Consider a stabilizer or UPS

❗ When PF Error Is NOT Normal

Call a technician if:

  • PF appears frequently without power cuts

  • Dishwasher shuts off randomly

  • Display flickers or resets often

This could indicate:

  • Faulty wiring

  • Control board issue

  • Internal electrical failure

🧠 Pro Tips to Prevent PF Error

  • Run dishwasher during stable electricity hours

  • Use surge protection if possible

  • Avoid unplugging mid-cycle

  • Keep wiring and sockets in good condition

📌 Quick Summary

  • PF = Power Failure

  • Usually caused by external power issues

  • Easy to fix with a restart

  • Frequent errors may need inspection

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