LG · Microwave

LG Microwave F15 error code

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

The F15 error means your LG microwave detected an abnormal voltage condition. Like F13 and F14 this is a voltage fault representing 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

Unplug the microwave for 1 minute and plug it back in to attempt a reset
2

Make sure the microwave is plugged directly into a dedicated wall outlet — not a power strip or extension cord
3

If F15 returns after resetting contact a qualified technician to inspect the internal voltage components