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Air conditioner does not work

Air conditioner does not work — Power supply or remote issue

LG · Air Conditioning

What does Air conditioner does not work mean?

The air conditioner is not functioning. This could be due to a lack of power, a tripped circuit breaker, or an issue with the remote control's batteries.

Common Causes

  • The air conditioner is unplugged.
  • A fuse exploded, or the power supply is blocked.
  • A power failure has occurred.
  • The voltage is too high or too low.
  • The air conditioner was turned off automatically at a preset time.
  • The battery setting in the remote controller is incorrect.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check whether the power cord is plugged into the outlet and power isolators are switched on.

  2. 2

    Replace the fuse or check if the circuit breaker has tripped.

  3. 3

    If a power failure occurred, wait 3 minutes after power is restored before turning the unit on.

  4. 4

    Ensure batteries are inserted correctly in the remote controller, or replace them if necessary.

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