ErrorCodeDoctor
LG · Microwave

LG Microwave F14 error code

Difficulty: Hard · Cost: $100–$300 · Duration: Requires professional service

The F14 error means your LG microwave detected an abnormal voltage condition. Like F13 this is a voltage fault but represents a different condition within the electrical circuit. There are no user steps to resolve this error and the unit requires a professional repair service.

Common causes

  • Abnormal voltage detected in the microwave's electrical circuit
  • Power surge or unstable home electrical supply
  • Internal voltage regulating component has malfunctioned

How to fix it

  1. 1

    Unplug the microwave for 1 minute and plug it back in to attempt a reset

  2. 2

    Make sure the microwave is plugged directly into a dedicated wall outlet — not a power strip or extension cord

  3. 3

    If F14 returns after resetting contact a qualified technician to inspect the internal voltage components

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