E01 Error in receiving serial communication signal (Signal from main indoor unit in case of group control) Auto address is not completed Outdoor system address, indoor system address, or indoor unit individual/main/sub setting is not set (Automatic address setting is not completed)
E02 Error in transmitting serial communication signal
E03 Indoor unit is detecting error signal from remote controller (and system controller)
E08 Indoor unit address setting is duplicated
E09 Remote controller setting is duplicated
E10 Error in transmitting serial communications signal
E11 Main unit duplication in simultaneous-operation multi control (detected by outdoor unit)
E14 Error in receiving serial communications signal
E04 Error in transmitting serial communications signal
E05 Error in receiving serial communications signal (including unit quantity verification failure)
E06 Error in transmitting serial communications signal
E07 Indoor unit capacity too low
E15 Indoor unit capacity too high
E16 No indoor units connected
E20 Error in transmitting serial communications signal
E17 Error in receiving serial communications signal
E18 Communications failure with MDC
E31 Indoor unit group settings error
L01 Indoor/outdoor unit type mismatch
L02 Main unit duplication in group control (detected by indoor unit)
L03 Outdoor unit address duplication (system address)
L04 Group wiring connected for independent indoor unit
L07 Address not set or group not set
L08 Indoor unit capacity not set
L09 Outdoor unit capacity not set or setting error
L10 Miswiring in group control wiring
L11 Indoor unit type setting error (capacity)
L13 Ceiling panel connection failure
P09 Fan protective thermostat
P01 Float switch
P10 Discharge temperature trouble
P03 Open phase detected, AC power trouble
P05 No gas
P15 4-way valve locked
P19 High cooling load
P20 Outdoor fan trouble
P22 Inverter compressor trouble (HIC PCB)
P26 Inverter compressor trouble (MDC)
P29 Simultaneous-operation multi control trouble
P31 Compressor current failure (overload)
H01 Indoor heat exchanger temperature sensor (E1)
F01 Indoor heat exchanger temperature sensor (E2)
F02 Indoor temperature sensor
F10 Discharge temperature (TD)
F04 Outdoor heat exchanger temperature (C1)
F06 Outdoor heat exchanger temperature (C2)
F07 Outdoor air temperature (TO)
F08 Intake temperature (TS)
F12 Indoor EEPROM error
F29 Outdoor EEPROM error
F31 Outdoor EEPROM error