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Burning smell and strange sounds

Burning smell and strange sounds — Potential electrical issue

LG · Air Conditioning

What does Burning smell and strange sounds mean?

A burning smell or unusual noises coming from the unit indicate a serious problem, possibly related to electrical components. Immediate action is required.

Common Causes

  • The power cable is damaged or generating excessive heat.
  • A switch, circuit breaker, or fuse is not operating properly.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner and switch off or disconnect the power supply.

  2. 2

    Contact the service center immediately.

Browse all codes in this manual (97)
Verified technical data. Last updated: April 2026

Related Faults

01Error 01 - Indoor air sensor open or short circuit02Error 02 - Inlet pipe sensor open or short circuit03Error 03 - Communication error between indoor unit and wired remote
Source: LG Air Conditioning
Open Manual (Page 31)Search more codes in this manual