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29

2 flashes, 9 beeps - Compressor Over Current

LG · Air Conditioning

What does 29 mean?

This fault code signifies that the inverter compressor's input current has exceeded 30A. This is a protection mechanism to prevent damage to the compressor.

Common Causes

  • Inverter compressor input current over 30A
  • Compressor mechanical issue
  • Electrical fault

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power supply to the air conditioning unit.

  2. 2

    Inspect the outdoor unit for any signs of damage or unusual noise.

  3. 3

    Perform a power reset by unplugging the unit for 1 minute.

  4. 4

    Contact a qualified technician if the over-current condition persists.

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
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