Fig.5.1 Display of Outdoor Unit High Pressure Protection
5.1 Table of Error Codes for Outdoor Unit
Error
Content
Code
E0
Outdoor Unit Error
E1
High Pressure Protection
Discharge Low
E2
Temperature Protection
E3
Low Pressure Protection
Excess Discharge
E4
Temperature Protection of
Compressor
Bad Performance of the
F0
Outdoor Mainboard
High Pressure Sensor
F1
Error
F3
Low Pressure Sensor Error
Error
Content
Code
FP
Malfunction of DC motor
Compressor 2 Top
FU
Temperature Sensor
Error
Compressor 2 Top
Fb
Temperature Sensor
Error
Compressor 1
J1
Over-current Protection
Compressor 2
J2
Over-current Protection
Compressor 3
J3
Over-current Protection
Compressor 4
J4
Over-current Protection
Compressor 5
J5
Over-current Protection
35
Wired Controller XK79
Error
Content
Code
Subcooler Liquid-out
b4
Temperature Sensor Error
Subcooler Gas-out
b5
Temperature Sensor Error
Gas-liquid separator inlet
b6
temperature sensor error
Gas-liquid separator outlet
b7
temperature sensor error
Outdoor Humidity Sensor
b8
Error
Heat Exchanger Gas-out
b9
Temperature Sensor Error
Oil-return Temperature
bA
Sensor Error
bH
System Clock Malfunction