LG Washing machine PF: Power supply warning

The appliance may have detected a voltage or power interruption.

ERROR CODEPFCheck your exact model

Model/code match: manufacturer PDF evidence recorded

This model and code combination is linked to a manufacturer PDF reference. The match does not extend to other models automatically.

Documented model(s): WKHC152H** (WashTower series; suffix is a manufacturer wildcard)

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What does this code mean?

The appliance may have detected a voltage or power interruption.

Source scope: Compatibility with specific model numbers has not been established. Always check your exact appliance manual.

Manufacturer code family matched

This code and broad meaning appear in manufacturer support material. Applicability to your exact model is not yet proven. Confirm your full model designation in the official manual.

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What can you try?

  1. 01

    Record the exact code and when it appeared

    Note every letter and digit, the stage of the cycle and the full model label. Error meanings can vary between models.

    What the result means: This prevents applying guidance for a different model or a similar-looking code.

  2. 02

    Check the household supply safely

    Never touch a hot, damaged or wet plug. Check whether other rooms have power and whether an extension lead is involved.

    What the result means: A home outage does not by itself prove an appliance defect.

  3. 03

    Stop testing repeated voltage faults

    If breakers trip, lights flicker or the voltage code returns, stop repeated resets. Have an electrician check the supply.

    What the result means: Repeated resets do not repair unstable power.

Stop immediately for leaks, smoke, burning smell or electrical danger. For gas leaks, leave the area and call local emergency services.

How do you actually fix this?

Start with safe checks. Some codes have no safe home fix; in that case we explain what the professional repair actually involves.

Practical fixes you can try

  1. Check whether other appliances have power. If a socket is scorched, loose, sparking or smells burnt, do not touch it; call an electrician.
  2. Follow the model requirements for a correctly rated earthed outlet; have improper extension or multi-plug wiring checked by a qualified electrician.
  3. After a power interruption, wait until supply is stable and conditions are safe. Do not repeatedly reset the appliance.

If it persists, how is it actually repaired?

An electrician verifies supply and earthing. An appliance technician then tests the input protection, wiring and board per the service manual and repairs only a measured fault.

How do you know it is fixed? Power should remain stable under normal use without the same voltage warning.

Safety and warranty: Warranty terms depend on manufacturer, model and local law. Damage caused by unauthorised disassembly or improper repair may be excluded. Live electrical work, gas, refrigerant circuits and sealed cabinets require qualified professionals; this is not a DIY instruction for those tasks.

Evidence: The manufacturer link above supports the broad code meaning. The repair pathway is a general technical diagnostic explanation, not a confirmed failed-part diagnosis for every model.

Manufacturer source

Independent safety-focused explanation with a manufacturer link. Possible causes are not verified part diagnoses; the code may vary by model or region.

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