Table of Contents
Advertisement
Display
1
0
7
*
Outdoor Unit Fan DC Link Low Voltage Error
1
1
3
*
Outdoor Unit Liquid pipe Temperature Sensor Error
Outdoor Unit Subcooling Inlet Temperature
1
1
4
*
Sensor Error
Outdoor Unit Subcooling Outlet Temperature
1
1
5
*
Sensor Error
1
1
6
*
Outdoor Unit Oil Level Sensor Error
Outdoor unit Main Board - External Board
1
4
5
*
communication Error
1
5
0
*
Outdoor Unit Discharge Superheat not satisfied
Failure of operation mode conversion at Outdoor
1
5
1
*
Unit
Outdoor Unit Heat Exchanger Temperature
1
5
3
*
Sensor (upper part) Fault
Outdoor Unit Heat Exchanger Temperature
1
5
4
*
Sensor (lower part) Fault
Outdoor unit External Board Main-Sub Micom
1
8
2
*
communication Error
1
8
7
*
Hydro - Kit P,HEX bursting error
1
9
3
*
Outdoor Unit Fan Heatsink High Temperature
Outdoor Unit Fan Heatsink Temperature Sensor
1
9
4
*
Fault
2
0
0
1
Searching pipe Error
2
0
1 C + #HR HR unit 1 Liquid sensor error
2
0
2 C + #HR HR unit 1 Sub Cooling Pipe sensor error
2
0
3 C + #HR HR unit 1 Sub Cooling Pipe Out sensor error
2
0
4 C + #HR Communication error
2
4
2
*
Network error of central controller
Defective communication between the indoor unit
2
5
2
*
main PCB ↔ AI engine PCB.
C: HR unit
#: HR unit Number
Title
Outdoor Unit Fan DC Link Input Voltage is under 380 V
Liquid pipe temperature sensor of Outdoor Unit is open or short
Outdoor Unit Subcooling Inlet Temperature Sensor Error
Outdoor Unit Subcooling Outlet Temperature Sensor Error
Oil Level Sensor of Outdoor Unit is open or short
Outdoor unit Main Board - External Board communication Error
Outdoor Unit Compressor Discharge Superheat not satisfied
during 5 Min.
Failure of operation mode conversion at Outdoor Unit
Outdoor Unit Heat Exchanger Temperature Sensor (upper part)
Fault
Outdoor Unit Heat Exchanger Temperature Sensor(lower part)
open or short
Outdoor Unit Main Board Main-Sub Micom communication
failed
Inlet water temperature is below 5 degree or water temperature
error during defrosting operation.
System is turned off by Outdoor Unit Fan Heatsink High
Temperature
Outdoor Unit Fan Heatsink Temperature Sensor open or short
Failure of automatic addressing of valves
Liquid pipe sensor of HR unit open or short
Sub Cooling Pipe In sensor of HR unit open or short
Sub Cooling Pipe Out sensor of HR unit. open or short
Failing to receive HR unit signal at outdoor unit
Communication wiring defect
It occurs when a communication signal between the outdoor
unit main PCB and AI engine is not received.
Cause of Error
57
Advertisement
Chapters
Table of Contents
