Error codes

Error code
E1
E2
E4
E5
E5
E7
E8
xE9
xF1
F3
F5
F6
xH0
H2
H3
xH4
H5
H6
H7
H8
H9
yHd
C7
P1
P2
xP3
P4
P5
xP9
xPL
PP
xL0
xL1
xL2
xL4
xL5
xL7
xL8
xL9
Error description
Phase sequence error
Communication error between indoor and master unit
T3/T4 temperature sensor error
Abnormal power supply voltage
Reserved
Discharge temperature sensor error
Outdoor unit address error
EEPROM mismatch of compressor
DC bus voltage error
T6B temperature sensor error
T6A temperature sensor error
Electronic expansion valve connection error
Communication error between main board and compressor drive board
Quantity of outdoor unit decreases error
Quantity of outdoor unit decreases error
Inverter-module protection
3 times of P2 protection in 60 minutes
3 times of P2 protection in 60 minutes
Quantity of indoor units mismatching
High pressure sensor error
10 times of P9 protection in 120 minutes
Slave unit malfunction
(y=1,2; e.g. 1Hd stands for slave unit 1 error)
3 times of PL protection in 100 minutes
High pressure protection or discharge temperature switch protection
Low pressure protection
Compressor current protection
Discharge temperature protection
High temperature protection of condenser
Fan module protection
Inverter module temperature protection
Compressor discharge insufficient superheat protection
Inverter compressor module error
DC bus low voltage protection
DC bus high voltage protection
MCE error
Zero speed protection
Phase sequence protection
Compressor frequency variation greater than 15 Hz within one second protection
Actual compressor frequency differs from target frequency by more than 15 Hz protection
Remarks
Only displayed on the master unit with the error
Reserved
Only displayed on the master unit with the error
Only displayed on the master unit with the error
Only displayed on the master unit with the error
Only displayed on the master unit with the error
Error code
E0
E1
E2
E3
E4
E6
E7
Eb
Ed
EE
FE
Error description
Mode conflict
Communication error between indoor and outdoor units
Indoor ambient temperature sensor (T1) error
Indoor heat exchanger mid-point temperature sensor (T2) error
Indoor heat exchanger outlet temperature sensor (T2B) error
Fan error
EEPROM error
Indoor EEV coil error
Outdoor unit error
Water level error
Indoor unit has not been assigned an address