Outdoor fan protection /Out of step/compressor damaged/insufficient refrigerant
High exhaust temperature protection
Anti-cold protection when cooling
coil high temperature protection when cooling
Anti-heat protection when heating
outdoor temperature too high /low protection
P3
P7
P6
P4
P5
P8
P9
PA
PH
PC
H1
H2
H6
HE
Driver board protection
Mode conflict
Exhaust temperature sensor failure protection of outdoor unit
Coil temperature sensor failure protection of outdoor unit
High pressure switch protection
Low pressure switch protection
Insufficient of refrigerant protection
Phase sequence protection
The display content
of indoor LED
Outdoor fan motor fault
Indoor EEPROM fault
Water full protection
Communication failure between indoor unit and remote controller
Inverter module protection
Voltage High/Low protection
High current protection
Ed
EF
d3
P2
P1
C5
P0
The definition of failure or protection