9.1 Indoor Unit Error Display
Display
E0
E1
E2
E3
E5
E6
E7
P0
P1
P2
P4
Note: E4 & P3: Reserved function
EEPROM parameter error
Indoor / outdoor units communication protection
Zero-crossing signal error
Indoor fan speed out of control
Open or short circuit of outdoor temperature sensor
Open or short circuit of room or evaporator temperature sensor
Outdoor fan speed out of control
IGBT over-strong current protection
Over voltage or too low voltage protection
Temperature protection of compressor top.
Inverter compressor drive error
LED STATUS
33