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
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For Xtreme type, Infini type and All Easy Pro type:
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
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