Error code
LG Washing Machine Error Code PF
Quick answer
PF
Power supply or voltage issue
First safe action
Turn the machine off and unplug it from the mains.
Meaning
LG washing machine error code PF usually points to unstable incoming power or the control system detecting an electrical supply problem.
Likely causes
- Temporary voltage fluctuation
- Loose power connection
- Internal control issue affecting power monitoring
Safe first checks
- Turn the machine off and unplug it from the mains.
- Check the plug is seated properly and the socket appears normal.
- Wait a few minutes before restoring power and retrying once.
How to reset
- Reconnect power after a short pause.
- Run a brief test cycle and stop if the code returns.
When to call an engineer
If the fault comes back and the power supply appears stable, the appliance may need electrical diagnosis.
Safety warning
Disconnect the appliance from the mains before checking the plug or cable and stop if there are signs of overheating or burning.
Useful hub links
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Relevant guides
Frequently asked questions
Can I keep using a LG washing machine with PF showing?+
It is usually better to pause use until you have completed the safe first checks for PF, then test the machine with a short programme.
Will resetting clear PF for good?+
A reset may clear a temporary interruption, but if PF comes back after the first safe checks, the underlying fault still needs attention.