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02

Error 02 - Inlet pipe sensor open or short circuit

LG · Air Conditioning

What does 02 mean?

The inlet pipe sensor in the indoor unit has an open or short circuit, indicating a malfunction.

Common Causes

  • Inlet pipe sensor failure (open circuit)
  • Wiring to the inlet pipe sensor is faulty (short circuit)

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the wiring connected to the inlet pipe sensor for any signs of damage or disconnection.

  2. 2

    Examine the sensor itself for any visible defects.

  3. 3

    If the wiring appears fine, the inlet pipe sensor may require replacement.

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

Related Faults

01Error 01 - Indoor air sensor open or short circuit03Error 03 - Communication error between indoor unit and wired remote05Error 05 - Communication error between indoor and outdoor units
Source: LG Air Conditioning
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