Wired Remote 101 — Indoor unit communication error

What does 101 mean?

The wired remote controller displays error code 101, indicating that it cannot establish or maintain communication with the indoor unit it is connected to. This prevents control of the indoor unit.

• Damaged communication cable between remote and indoor unit
• Loose or incorrect communication cable connection
• Faulty indoor unit or remote controller PCB

Click steps to track your progress.

1. 1

   Turn off the power to the indoor unit at the circuit breaker.

2. 2

   Carefully check the communication cable connecting the wired remote controller to the indoor unit. Ensure it is securely plugged in at both ends.

3. 3

   Inspect the cable for any visible damage or crimps.

4. 4

   Restore power. If the error persists, contact a qualified technician to check the connections and components.