Publicidad
Idiomas disponibles
Idiomas disponibles
Error code
Description
C6
Fault with the suction temperature sensor on the outdoor unit
C8
Fault with the temperature sensor in the middle of outdoor condenser
Tab.108 Communication fault
Error code
Description
A9
Abnormal communication between indoor unit and outdoor unit
J2
Abnormal communication between outdoor unit and indoor unit
AA
Abnormal communication between indoor unit and wired controller
J3
Abnormal communication between the driver PCB and main PCB of outdoor unit
Tab.109 Indoor unit fault
Error code
Description
A5
Indoor unit water pump abnormal (fault with the drainage)
A6
Indoor unit fan motor abnormal
A8
Indoor unit EEPROM module failure
99
Communication error between the drive PCB and main PCB of the indoor unit
9A
Temperature protection of indoor drive PCB
9H(9B)
Failure of indoor DC fan start up
9C
Over current protection of indoor DC fan motor
9J(9D)
Overvoltage and under voltage protection of indoor DC fan motor
9E
IPM protection for drive PCB of indoor DC fan motor
9F
EE protection for drive PCB of indoor DC fan motor
Tab.110 Refrigerant circuit fault
Error code
Description
E3
Discharge temperature too high protection
FH
Discharge temperature too low protection
E8
Cooling: high temperature protection of outdoor unit
Heating: high temperature protection of indoor unit
Tab.111 Outdoor unit component fault
Error code
Description
H1
High pressure switch protection
H4
Low pressure switch protection
E1
Four-way valve fault
Tab.112 Outdoor unit electric control unit
Error code
Description
31
Fault with the inverter module protection
34
Compressor start failure
3E
Compressor drive PFC hardware protection
32
Compressor drive hardware protection
33
Module software protection
37
Fault with the modular temperature sensor on the outdoor unit
3F
Compressor drive PFC hardware protection
J7
Fault with the outdoor unit EPROM
3H
Fault with fan motor of outdoor unit
3C
Overcurrent protection of outdoor DC fan motor
3J
Overvoltage protection of outdoor DC fan motor
41
IPM protection for driving board of outdoor DC fan motor
7798731 - v01 - 18112021
en
8 Troubleshooting
175
Publicidad
