|
E0
|
Indoor unit overcurrent protection |
|
E1
|
Indoor room sensor error |
|
E2
|
Outdoor unit condenser sensor error |
|
E3
|
AC or DC motor error, or indoor evaporator coil sensor error |
|
E4
|
Indoor–outdoor communication error, or AC/DC motor error |
|
E5
|
Outdoor–indoor unit communication error |
|
E8
|
Communication fault between display board and main PCB |
|
Eb
|
Indoor PCB EEPROM error |
|
F0
|
Outdoor fan motor error |
|
F1
|
Outdoor module protection error |
|
F2
|
Outdoor PFC protection error |
|
F3
|
Compressor start failure or out-of-step error |
|
F4
|
Outdoor discharge sensor error |
|
F6
|
Outdoor ambient sensor error |
|
F8
|
Outdoor communication error between main PCB and module board |
|
F9
|
Outdoor PCB EEPROM error |
|
FA
|
Suction sensor error |
|
Fb
|
Indoor DC motor error (floor-standing units) |
|
P2
|
High-pressure switch protection |
|
P3
|
Lack of refrigerant protection |
|
P4
|
Condenser overload protection (cooling mode) |
|
P5
|
Discharge temperature protection |
|
P6
|
Evaporator overload protection (heating mode) |
|
P7
|
Indoor anti-freezing protection (cooling mode) |
|
P8
|
Outdoor overcurrent protection |
|
L1
|
Over-current protection |
|
L3
|
Compressor power-supply phase deficiency protection |
|
L4
|
Inverter module (IPM) protection |
|
H1
|
Drainage fault |
|
H2
|
Communication error between wired controller and indoor main PCB |
|
H5
|
Low-temperature discharge sensor fault (R32 DC inverter models) |
|
H6
|
Low-pressure switch fault |
|
H7
|
Low-pressure fault |
|
H8
|
Four-way valve fault |
|
P2 (J2 on controller)
|
High-pressure switch fault |
|
P5 (J5 on controller)
|
High-temperature discharge protection |
|
P6 (J6 on controller)
|
Indoor anti-high-temperature protection, heating mode |
|
P7 (J7 on controller)
|
Indoor anti-freezing protection, heating mode |
