Error 201 - Indoor/Outdoor unit communication error (installation number, address, or cable)

What does 201 mean?

A communication error between indoor and outdoor units, potentially due to an incorrect installation number, a duplicate indoor unit address, or a faulty communication cable.

• Mismatch in installation number settings
• Repeated indoor unit address assigned
• Damaged or poorly connected indoor unit communication cable

Click steps to track your progress.

1. 1

   Check and correct the installation number settings as per the system's requirements.

2. 2

   Ensure each indoor unit has a unique address assigned in the system configuration.

3. 3

   Inspect the indoor unit's communication cable for any damage or loose connections.