8.4.2.6 E6(PFC module protection) error diagnosis and solution. (Only for M4OC-36HRFN1-M) Code E6 Malfunction decision When the voltage signal that PFC sends to main control board conditions is abnormal, the display LED will show and AC will turn “E6” off. Wiring mistake Supposed causes Outdoor PCB faulty Inductance of PFC module faulty PFC module malfunction
8.4.2.6 E6(PFC module protection) error diagnosis and solution. (Only for M4OC-36HRFN1-M) Code E6 Malfunction decision conditions When the voltage signal that PFC sends to main control board is abnormal, the display LED will show “E6” and AC will turn off. Supposed causes Wiring mistake Outdoor PCB faulty Inductance of PFC module faulty PFC module malfunction