LG · Microwave

LG Microwave F19 error code

Difficulty: Hard · Cost: $100–$350 · Duration: Requires professional service

The F19 error means your LG microwave detected a problem with the heating system. This is similar to the F16 error but represents a different heating fault condition. The microwave cannot heat food safely when this error is active. Do not continue using the microwave until the fault has been resolved. There are no user steps to fix this error and the unit requires a professional repair service.

Common causes

Magnetron or heating component has malfunctioned or failed
Heating system fault detected during operation
Internal component overheating causing the heating circuit to trip

How to fix it

1

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

If F19 returns after resetting stop using the microwave and contact a qualified technician to inspect the heating components