Error 44 — Human sensor error

What does 44 mean?

This error indicates a problem with the human sensor, specifically when the sensor signal is 'L' (0V) for more than 10 minutes, or detects an open condition. The outdoor unit shows no indication.

• Loose, removed, or erroneous connection of the human sensor
• sensor cable is open (broken)
• Human sensor failure
• Indoor unit Main PCB failure

Click steps to track your progress.

1. 1

   Check the connector connection of the human sensor and ensure it is not loose, removed, or erroneously connected. Reset power after correcting any issues.

2. 2

   Check the sensor cable for any breaks or open conditions.

3. 3

   If the sensor is disconnected, check the 2-3pin on the sensor connector for conduction. If there's conduction, the Main PCB may be faulty; if not, the sensor itself is likely faulty.