LG · Washing Machine · Power Issue
LG Washing Machine Error PF
LG washing machine error PF usually indicates a power or voltage fault. ECL records this code as “Power Failure”. A common cause listed on this page is Brief household power cut or voltage interruption, but the exact cause can vary by model and appliance generation. Start with the safe external checks below, confirm model-specific guidance using your exact model number, and arrange repair help if the code returns or any safety warning applies.
Quick answer: Power Failure
LG washing machine code PF usually means Power Failure. Follow these four steps.
See what the code usually means and why it may have appeared.
Try only the simple checks listed on this page. Do not take the appliance apart.
Check the safety section before you keep using the appliance.
Use the next-step box to see whether to keep checking, find a part by model or get repair help.
What LG PF means
PF means the washing machine detected that electrical power was interrupted while a programme was running. It does not automatically indicate a failed internal component. A household power cut, a loose plug, a switched socket, an overloaded extension lead, or an unstable supply can all trigger the message.
Common causes
- Brief household power cut or voltage interruption
- Plug or socket connection disturbed during the cycle
- Appliance connected through an unsuitable extension lead
- Repeated supply interruption or an internal power-board fault
Safe checks you can make
- Confirm whether other clocks or appliances also lost power
- Check that the plug is fully seated in a suitable wall socket
- Avoid extension leads and multi-plug adaptors
- Run a short rinse cycle and note whether PF returns
Is it safe to keep using the appliance?
A single PF message after a confirmed power cut is usually safe to clear and retest. Stop using the appliance if the plug or socket is hot, damaged, sparking, or repeatedly loses power.
When to stop and call an engineer
Arrange an electrical or appliance check if PF repeatedly returns without a household power interruption, the socket becomes warm, the machine trips the circuit, or the display repeatedly loses power.
Your model may be different
LG display wording can vary by model. PF normally means power failure or interruption, but the exact reset procedure should be checked in the model manual.
Where this information comes from
Publisher: Error Code Lookup Editorial Team. This page is independent information written in our own words and reviewed with safety boundaries in mind.
Manufacturer information: LG UK Product Troubleshooting. Use the exact model number to verify model-specific wording and instructions.
Last reviewed: 2026-07-31
How Error Code Lookup researches and verifies pages · Report a correction or provide model-specific evidence
Frequently asked questions
What does PF mean on a LG washing machine?
PF means the washing machine detected that electrical power was interrupted while a programme was running. It does not automatically indicate a failed internal component. A household power cut, a loose plug, a switched socket, an overloaded extension lead, or an unstable supply can all trigger the message.
What usually causes LG error PF?
Common causes include Brief household power cut or voltage interruption; Plug or socket connection disturbed during the cycle; Appliance connected through an unsuitable extension lead; Repeated supply interruption or an internal power-board fault.
Can I safely fix PF myself?
Some basic external checks may be safe to try first. Stop if there are leaks, burning smells, overheating, electrical issues, unusual noises or repeated failures.
When should I call a professional for PF?
Arrange an electrical or appliance check if PF repeatedly returns without a household power interruption, the socket becomes warm, the machine trips the circuit, or the display repeatedly loses power.
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