Test Run
74
Outside Unit
Display
Error item
Root cause of error
number
Slave2 outside unit power line phase missing
Excessive connection of indoor unit connection display value (Different
from outside unit)
When the inverter controller signal is not received from the master out-
side unit inverter controller
When the inverter controller signal is not received from the slave1 out-
side unit inverter controller
When the inverter controller signal is not received from the slave2 out-
side unit inverter controller
When the indoor unit control signal is not received from the master out-
side unit controller
Master outside unit 3 phase power reverse phase connection
Slave1 outside unit 3 phase power reverse phase connection
Slave2 outside unit 3 phase power reverse phase connection
Master Outdoor Unit Controller part cannot receive inverter control sig-
nals (usually happens after onboarding)
Slave1 Outdoor Unit Controller part cannot receive inverter control sig-
nals (usually happens after onboarding)
Slave2 Outdoor Unit Controller part cannot receive inverter control sig-
nals (usually happens after onboarding)
When the dip switch(No.8) setting is different between master and
slave outside unit
Master outside unit inverter PCB EEPROM ACCESS error
Slave1 outside unit inverter PCB EEPROM ACCESS error
Slave2 outside unit inverter PCB EEPROM ACCESS error
System is turned off by Master Outdoor Unit Inverter Heatsink High
Temperature
System is turned off by Slave1 Outdoor Unit Inverter Heatsink High
Temperature
System is turned off by Slave2 Outdoor Unit Inverter Heatsink High
Temperature
Master Outdoor Unit Inverter Heatsink Temperature Sensor open or
short
Slave1 Outdoor Unit Inverter Heatsink Temperature Sensor open or
short
Slave2 Outdoor Unit Inverter Heatsink Temperature Sensor open or
short
Master outside unit static speed CT sensor disconnection or short cir-
cuit
Slave1 outside unit static speed CT sensor disconnection or short cir-
cuit
Slave2 outside unit static speed CT sensor disconnection or short cir-
cuit
Master Outdoor Unit PFC CT Sensor open or short
Slave1 Outdoor Unit PFC CT Sensor open or short
Slave2 Outdoor Unit PFC CT Sensor open or short
Master outside unit inverter PCB input instant over-current (Peak)
exceeded
Slave1 outside unit inverter PCB input instant over-current (Peak)
exceeded
Slave2 outside unit inverter PCB input instant over-current (Peak)
exceeded
5
0
3 Slave2 outside unit 3 phase power missing
5
1
-
Over-capacity (Indoor unit capacity sum is
excessive) connection
5
2
1
Communication error with master outside unit
inverter controller
5
2
2
Communication error with slave1 outside unit
inverter controller
5
2
3
Communication error with slave2 outside unit
inverter controller
5
3
-
Communication error with master outside unit
controller and indoor unit
5
4
1
Master outside unit 3 phase power reverse
phase
5
4
2
Slave1 outside unit 3 phase power reverse
phase
5
4
3
Slave2 outside unit 3 phase power reverse
phase
5
7
1
Master Outdoor Unit Communication Error with
Inverter Controller
5
7
2
Slave1 Outdoor Unit Communication Error with
Inverter Controller
5
7
3
Slave2 Outdoor Unit Communication Error with
Inverter Controller
5
9
-
Wrong setting between master and slave out-
side unit
6
0
1
Master outside unit inverter PCB EEPROM
error
6
0
2
Slave1 outside unit inverter PCB EEPROM
error
6
0
3
Slave2 outside unit inverter PCB EEPROM
error
6
2
1
Master Outdoor Unit Inverter Heatsink High
Temperature
6
2
2
Slave1 Outdoor Unit Inverter Heatsink High
Temperature
6
2
3
Slave2 Outdoor Unit Inverter Heatsink High
Temperature
6
5
1
Master Outdoor Unit Inverter Heatsink
Temperature Sensor Fault
6
5
2
Slave1 Outdoor Unit Inverter Heatsink
Temperature Sensor Fault
6
5
3
Slave2 Outdoor Unit Inverter Heatsink
Temperature Sensor Fault
7
0
1
Master outside unit static speed CT sensor
error
7
0
2
Slave1 outside unit static speed CT sensor
error
7
0
3
Slave2 outside unit static speed CT sensor
error
7
1
1 Variable Water Flow Control KIT(Accessory)
7
1
2 Variable Water Flow Control KIT(Accessory)
7
1
3 Variable Water Flow Control KIT(Accessory)
7
3
1
Master outside unit inverter PCB input instant
over-current (Peak)
7
3
2
Slave1 outside unit inverter PCB input instant
over-current (Peak)
7
3
3
Slave2 outside unit inverter PCB input instant
over-current (Peak)
0Outside unit
Содержание MULTI V WATER II ARWN Series
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