F01
Indoor unit temperature sensor
troubles
F02
F03
F10
F11
Heat exchanger temperature sensor (TCJ) trouble
Heat exchanger temperature sensor (TC2) trouble
Heat exchanger temperature sensor (TC1) trouble
Ambient temperature sensor (TA/TSA) trouble
Discharge temperature sensor (TF) trouble
F04
Outdoor unit temperature
sensor troubles
F05
F06
F07
F08
F12
F13
Discharge temperature sensor (TD1) trouble
Discharge temperature sensor (TD2) trouble
Heat exchanger temperature sensor (TE1, TE2) trouble
Liquid temperature sensor (TL1) trouble
Outside air temperature sensor (TO) trouble
Suction temperature sensor (TS1,TS2) trouble
Heat sink sensor (TH) trouble
F15
Wiring trouble in heat exchanger sensor (TE1) and liquid temperature sensor
(TL1) Outdoor unit temperature sensor wiring/installation trouble
F16
Wiring trouble in outdoor high pressure sensor (PD) and low pressure sensor (PS)
Outdoor pressure sensor wiring trouble
F23
Outdoor unit pressure sensor
troubles
F24
Low pressure sensor (PS) trouble
High pressure sensor (PD) trouble
F29 Fault in indoor EEPROM
H01
Outdoor unit compressor-
related troubles
H02
H03
Compressor breakdown
Compressor lockup
Current detection circuit trouble
H05
Wiring/installation trouble or detachment of outdoor dis
charge temperature sensor (TD1)
H06
Protective shutdown of outdoor
unit
H07
Abnormal drop in low-pressure sensor (PS) reading
Abnormal drop in oil level
H08
Trouble in temperature sensor for oil level detection circuit (TK1, TK2, TK4 or TK5)
H15
Wiring/installation trouble or detachment of outdoor discharge temperature sensor (TD2)
H16 Oil level detection circuit trouble - Trouble in outdoor unit TK1, TK2, TK4 or TK5 circuit
L03 Duplicated indoor group header unit
L05 Duplicated priority indoor unit (as displayed on priority indoor unit)
L06 Duplicated priority indoor unit (as displayed on indoor unit other than priority indoor unit)
L07 Connection of group control cable to stand-alone indoor unit
L08 Indoor group address not set
L09 Indoor capacity not set
L04 Duplicated outdoor refrigerant line address
L10 Outdoor capacity not set
L17
Outdoor model incompatibility trouble
L20 Duplicated central control address
L28 Too many outdoor units connected
L29
Trouble in number of IPDUs
L30
Indoor external interlock trouble
Cause of check code
edoc kcehCkcolb thgiL
Alternate blinking
Operation Timer Read
Alternate blinking
Operation Timer Read
Operation
Synchronized blinking
Timer Ready
Operation Timer Ready
Blinking
Operation
Synchronized blinking
Timer Ready
Operation
Synchronized blinking
Timer Ready
L23 SW setting mistake
F17
F18
Outside air suction temperature sensor (TOA) trouble
Indoor air suction temperature sensor (TRA) trouble
L02 Outdoor unit model unmatched trouble
− 144 −
L12 FS unit(s) system trouble
L24
FS unit(s) setting trouble
L18 Flow selector units trouble
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