MA communication send error

What does MA communication send error mean?

This error signifies a problem with the system's MA communication, specifically when trying to send signals. It can be due to multiple main remote controllers, circuit malfunctions, or noise.

• There are 2 or more remote controllers set as main.
• Malfunction of remote controller sending/receiving circuit.
• Malfunction of sending/receiving circuit on indoor controller board.
• Remote controller transmitting error caused by noise interference.

Click steps to track your progress.

1. 1

   Check all remote controllers to ensure only one is designated as the 'main' controller for the system.

2. 2

   Inspect remote controller wiring for any loose connections or signs of damage.

3. 3

   Consider potential sources of electrical noise that might be interfering with communication.

4. 4

   If an indoor unit has an LED, observe its status for any indication of a circuit issue.

5. 5

   If unable to resolve, a qualified technician should check the sending/receiving circuits on the remote controller and indoor unit board.