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F29

Malfunction of gas pipe temp. sensor for indoor unit A

Haier · Air Conditioning

What does F29 mean?

The temperature sensor for the gas pipe of indoor unit A has malfunctioned. This sensor monitors refrigerant temperature.

Common Causes

  • Gas pipe temperature sensor malfunction for indoor unit A

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the gas pipe temperature sensor for indoor unit A.

  2. 2

    Check its wiring and connection.

  3. 3

    Refer to service guides for sensor testing.

Browse all codes in this manual (103)
Verified technical data. Last updated: April 2026

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Source: Haier Air Conditioning
Open Manual (Page 58)Search more codes in this manual