Error Code [4106] 1. Error code definition 2. Error definition and error detection method Transmission power output failure 3. Cause 1) Wiring failure 2) Transmission power supply cannot output voltage because overcurrent was detected. 3) Voltage cannot be output due to transmission power supply problem. 4) Transmission voltage detection circuit failure 4. Check method and remedy Check the transmission power supply circuit on all outdoor units in a given refrigerant circuit for problems. [8-11-2 Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit] 1. Error code definition 2.Error definition and error detection method Transmission power reception failure 3.Cause One of the outdoor units stopped supplying power, but no other outdoor units start supplying power. 4.Check method and remedy Check the transmission power supply circuit on all outdoor units in a given refrigerant circuit for problems.