Description: Unspecified Voltage (between Indoor Unit and Outdoor Unit).
Method of Malfunction Detection: The supply power is detected for its requirements (different from pair type and multi type) by the indoor / outdoor transmission signal.
Malfunction Decision Conditions: The pair type and multi type are interconnected.
Supposed Causes:
- Wrong models interconnected Wrong wiring of connecting wires
- Wrong indoor unit PCB or outdoor unit PCB mounted
- Defective indoor unit PCB
- Defective outdoor unit PCB
Troubleshooting Procedure
