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Remote control display Alarm contents
E26 The number of responding outdoor units does not match with the setting on the main outdoor unit.
E27 Improper wiring between main and sub outdoor units.
E29 No response from main outdoor unit.
E30
The outdoor unit is having error in sending serial communication signal on main-sub communication line.
E31 Error in communication inside outdoor unit control box.
F04 Compressor 1 discharge temperature sensor has failure. (DISCH1)
F05 Compressor 2 discharge temperature sensor has failure. (DISCH2)
F06 Outdoor unit heat exchanger 1 gas temperature sensor has failure. (EXG1)
F07 Outdoor unit heat exchanger 1 liquid temperature sensor has failure. (EXL1)
F08 Outdoor temperature sensor has failure. (TO)
F12 Compressor inlet temperature sensor has failure. (SCT)
F14 Subcooling heat exchanger temperature sensor has failure. (SCG)
F16 High pressure sensor has failure. (HPS)
F17 Low pressure sensor has failure. (LPS)
F23 Outdoor unit heat exchanger 2 gas temperature sensor has failure. (EXG2)
F24 Outdoor unit heat exchanger 2 liquid temperature sensor has failure. (EXL2)
F31 EEPROM on outdoor unit PCB has failure.
H01 Compressor 1 primary current is overcurrent.
H03 Compressor 1 current sensor is disconnected or shorted.
H05
Compressor 1 discharge temperature sensor is disconnected, shorted or misplaced. (DISCH1)
H06 Low pressure sensor value is too low.
H07 Compressor or refrigerant circuit has low oil.
H08 Compressor 1 oil temperature sensor has failure. (OIL1)
H11 Compressor 2 primary current is overcurrent.
H13 Compressor 2 current sensor is disconnected or shorted.
H15
Compressor 2 discharge temperature sensor is disconnected, shorted or misplaced. (DISCH2)
H21 Compressor 2 HIC has failure. HIC is overcurrent or overheat. VDC is undervoltage or overvoltage.
H27 Compressor 2 oil temperature sensor has failure. (OIL2)
H31 Compressor 1 HIC has failure. HIC is overcurrent or overheat. VDC is undervoltage or overvoltage.
L04 Duplicate system address setting on outdoor units.
L05 Two or more indoor units are set as priority indoor unit (priority indoor unit).
L06 Two or more indoor units are set as priority indoor unit (non-priority indoor unit).
L10 Capacity setting of outdoor unit is not correct.
L17 Model mismatch between outdoor units.
P03 Compressor 1 discharge temperature is too high.
P04 High pressure switch is activated.
P05 Compressor 1 AC power supply has abnormal.
P14 O
2
sensor has activated.
P15 Compressor 2 AC power supply has abnormal.
P16 Compressor 1 secondary current is overcurrent.
P17 Compressor 2 discharge temperature is too high.
P19 Compressor 2 start failure. Compressor 2 is missing phase.
P22 Outdoor unit fan motor has failure.
P26 Compressor 2 secondary current is overcurrent.
P29 Compressor 1 start failure. Compressor 1 is missing phase.
P31 Other indoor unit in group control has an alarm.
00_341136_2WAY_Eng.indb 68 2022/9/19 9:27:38
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