(8~88HP(25.2~246.0kW)
E1 Communication for indoor and outdoor units fault
E2 T1 sensor problem
E3 T2 sensor problem
E4 T2B sensor problem
E5 Outdoor unit failure problem
E6 Zero-crossing signal detection problem
E7 EEPROM problem
E8 PG motor fan-speed detection problem
E9 Communication problem of wired controller
EA Outdoor unit’s current problem
Eb Outdoor unit IPM problem
EF Mode conflict problem
Outdoor Unit Fault Codes
E0 Outdoor unit communication fault
E1 Phase sequence fault
E2 Communication fault between master outdoor unit and indoor units
E3 Reserved:
E4 Ambient temperature sensor fault
E5 Reserved:
E6 Outdoor heat exchanger temperature sensor fault
E7 Reserved:
E8 Outdoor unit incorrect address
E9 AC voltage protection problem
EA Refrigerant cooling pipe sensor problem
H0 Communication malfunction between DSP and 0547
H1 Communication malfunction between 0537 and 0547
H2 Outdoor unit quantities decreasing fault
H3 Outdoor unit quantities increasing fault
H4 There is 3 times P6 protection in 30 minutes.
H5 There is 3 times P2 protection in 30 minutes.
H6 There is 3 times P4 protection in 100 minutes.
H7 Indoor unit quantities decreasing fault
H8 Discharge pressure sensor error
H9 There is 3 times P9 protection in 30 minutes.
XP0 INV temperature protection
P1 High-pressure protection
P2 Low-pressure protection
XP3 Inverter compressor over current protection
XP4Discharge temperature sensor protection
XP6 P5 T3 temperature sensor protection Inverter module protection
P9 DC Fan module protection
XL0 DC compressor module fault
XL1 DC generatrix low voltage protection
XL2 DC generatrix high voltage protection
L3 Reserved:
XL4 MCE malfunction/simultaneously/cycle loop
XL5 Zero speed protection problem
XL6 Reserved:
XL7 Fault or protect the definition
XL8 A moment before and after the speed change >15Hz
XL9 Set the speed and the actual speed difference >15Hz
Indoor Unit Fault Codes
FE If no address is provided when the power supply is connected for the first time:
E0 Phase sequence error or phase missing problem
E1 Indoor and outdoor communication problem
E2 Room temperature sensor (T1) failure
E3 Pipe temperature midpoint sensor (T2) fault
E4 Pipe temperature outlet sensor (T2B) fault
E5 Failure of the outdoor unit
E6 Zero-crossing signal detection problem
E7 EEPROM fault
E8 PG motor speed detection problem
E9 Wired controller communication problem
EA Compressor over-current (four times) problem
EB Inverter module protection
EC Refreshing problem
EE Water level switch alarm problem
EF Mode conflicting