Transmitting/Receiving Signal Error

What does E0 mean?

There is a communication error between indoor and outdoor units or within the indoor unit's control system. This prevents proper command and status exchange, leading to system malfunction.

1. 1

   Inspect communication wiring between indoor and outdoor units for secure connections and visible damage.

2. 2

   Verify power supply to both indoor and outdoor unit PCBs.

3. 3

   Check for correct addressing settings of indoor and outdoor units, ensuring no conflicts.