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Remote control display Alarm contents
E20 No indoor unit during auto address setting
E21 Receiving failure of main system from sub system when link wiring is used for outdoor units
E22 Receiving failure of sub system from main system when link wiring is used for outdoor units
E24 Receiving failure of relay control unit from outdoor unit(s)
E25 Failure of outdoor unit address setting (Duplicative)
E26 Inconsistencies in number of outdoor units
E29 Failure of outdoor unit to receive relay control unit
E30 Failure of transferring outdoor unit serial
E31 Wiring error between the P.C. board ( [L-Pow], [HIC] wire)
F04 Compressor 1 discharge temperature sensor abnormal
[DISCH1]
F05 Compressor 2 discharge temperature sensor abnormal
[DISCH2]
F06 Outdoor unit heat exchanger 1 gas (inlet) temperature sensor abnormal
[EXG1]
F07 Outdoor unit heat exchanger 1 liquid (outlet) temperature sensor abnormal
[EXL1]
F08 Outdoor temperature sensor abnormal
[TO]
F12 Compressor inlet temperature sensor abnormal
[SCT]
F14 Supercooling gas temperature sensor abnormal
[SCG]
F16 High pressure sensor abnormal, high-load
[HPS]
F17 Low pressure sensor abnormal
[LPS]
F23 Outdoor unit heat exchanger 2 gas (inlet) temperature sensor abnormal
[EXG2]
F24 Outdoor unit heat exchanger 2 liquid (outlet) temperature sensor abnormal [EXL2]
F31 Outdoor unit nonvolatile memory (EEPROM) error
H01 Compressor 1 abnormal current values (Overcurrent)
H03 Compressor 1 CT sensor disconnected, short-circuit
H05 Compressor 1 discharge temperature sensor disconnected
H06 Low pressure abnormal lowering
H07 Oil loss - error
H08 Oil sensor (connection) error 1
H11 Compressor 2 abnormal current values (Overcurrent)
H13 Compressor 2 CT sensor disconnected, short-circuit
H15 Compressor 2 discharge temperature sensor disconnected
H21 Compressor 2 HIC alarm (Check for alarm P19)
H27 Oil sensor (connection) error 2
H31 Compressor 1 HIC alarm (Check for alarm P29)
L04 Outdoor unit address settings duplicated
L05 Indoor unit priority duplicated (For priority indoor)
L06 Indoor unit priority duplicated (Not for priority indoor) and outdoor unit
L10 Outdoor unit capacity settings not made
L17 Inconsistencies in outdoor unit models
L18 4-way valve coil disconnected, line disconnected
P03 Compressor 1 discharge temperature error
P04 Actuation of high pressure switch
P05 Compressor 1 open phase detection
P11 Cooling water freeze (chiller)
P14 Actuation of O
2
sensor
P15 Compressor 2 open phase detection
P16 Compressor 1 secondary overcurrent
P17 Compressor 2 discharge temperature error
P19 Compressor 2 wiring open phase, start failure caused by DCCT failure (DC compressor start failure)
P20 High load (Forgot to open valves)
P22 Outdoor unit fan1 failure (IPM damage, overcurrent, invertor failure, DC fan lock, hole IC open phase)
P23 Inter lock not cancellation (chiller)
P24 Outdoor unit fan2 failure (IPM damage, overcurrent, invertor failure, DC fan lock, hole IC open phase)
P26 Compressor 2 secondary overcurrent
P29 Compressor 1 wiring open phase, start failure caused by DCCT failure (DC compressor start failure)
00_340994_2WAY_Eng.indb 61 2022/8/4 14:28:55
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