Display 202 — Communication Error (3 min)

What does 202 mean?

This error indicates a communication failure between the control kit and the outdoor unit that has lasted for 3 minutes.

• Intermittent communication issue
• Loose or damaged communication wires

Click steps to track your progress.

1. 1

   Check all communication wire connections between the control kit and the outdoor unit.

2. 2

   Inspect the wiring for any signs of damage or interference.

3. 3

   Try resetting the unit by turning off the power for 30 seconds and then restoring it.

4. 4

   If the error recurs frequently, professional diagnosis of the communication line may be required.