Error 202 — Communication error between indoor and outdoor units (all units)

What does 202 mean?

A communication error is affecting all indoor units communicating with the outdoor unit. This typically points to an issue with the outdoor unit's communication cable or system.

• Outdoor unit communication cable failure
• Problem with the outdoor unit's communication system
• System-wide configuration error

Click steps to track your progress.

1. 1

   Check the communication cable connected to the outdoor unit.

2. 2

   Inspect the outdoor unit's communication ports for damage.

3. 3

   Ensure the overall system configuration is correct.

4. 4

   A service technician may be required to diagnose the outdoor unit.