79 
For Mission2 type and Ultimate Comfort type: 
Malfunction  Error Code 
Indoor unit EEPROM parameter error  E0/EA 
Indoor / outdoor units communication error  E1 
Indoor fan speed is operating outside of the normal range  E3 
Indoor room temperature sensor T1 open circuit or short circuit  E4 
Evaporator coil temperature sensor T2 open circuit or short circuit  E5 
Communication error between the indoor PCB and display board
 
Eb/EH 0b 
Refrigerant leakage detection 
EC 
Overload current protection  F0 
Outdoor ambient temperature sensor T4 open circuit or short circuit  F1 
Condenser coil temperature sensor T3 open circuit or short circuit  F2 
Compressor discharge temperature sensor T5 open circuit or short circuit  F3 
Outdoor unit EEPROM parameter error  F4 
Outdoor fan spe
ed is operating outside of the normal range
 
F5 
IPM malfunction or IGBT over-strong current protection  P0 
Over or low voltage protection  P1 
High temperature protection of IPM module    P2 
Inverter compressor drive error  P4 
Indoor units mode conflict 
-- 
 
     For AG andCool easy
 
type:
 
Running 
Lamp 
Timer Lamp  Display  Error Information 
1 time  OFF 
EH 00/EH 
0A 
Indoor unit EEPROM parameter error 
2 times  OFF  EL 01  Indoor/outdoor unit communication error 
3 times  OFF  EH 02  Zero-crossing signal detection error 
4 times  OFF  EH 03 
The indoor fan speed is operating outside of the 
normal range 
5 times  OFF  EC 51  Outdoor unit EEPROM parameter error 
5 times  OFF  EC 52 
Condenser coil temperature sensor T3 is in open 
circuit or has short circuited 
5 times  OFF  EC 53 
Outdoor room temperature sensor T4 is in open 
circuit or has short circuited 
5 times  OFF  EC 54 
Compressor discharge temperature sensor TP is in 
open circuit or has short circuited 
5 times  OFF  EC 56 
Evaporator coil outlet temperature sensor T2B is in 
open circuit or has short circuited(for free-match 
indoor units) 
6 times  OFF  EH 60 
Indoor room temperature sensor T1 is in open circuit 
or has short circuited