72
Lamp indication
Operation
Timer
Ready
Alternate flash
Operation
Timer
Ready
Alternate flash
Operation
Timer
Ready
Simultaneous flash
Operation
Timer
Ready
Flash
Operation
Timer
Ready
Simultaneous flash
Operation
Timer
Ready
Simultaneous flash
Operation
Timer
Ready
Simultaneous flash
Check code
F01
F02
F03
F10
F11
F04
F05
F06
F07
F08
F12
F13
F15
F16
F22
F23
F24
F29
H01
H02
H03
H04
H05
H06
H07
H08
H15
H16
H25
L03
L05
L06
L07
L08
L09
L04
L10
L17
L18
L20
L28
L29
L30
F31
Cause of trouble occurrence
Heat exchanger sensor (TCJ) error
Heat exchanger sensor (TC2) error
Heat exchanger sensor (TC1) error
Temp. sensor error in indoor unit
Room temp. sensor (TA) error
Discharge air temp.sensor (TF) error
Discharge temp. sensor (TD1) error
Discharge temp. sensor (TD2) error
Heat exchanger sensor (TE1, TE2) error
Liquid temp. sensor (TL) error
Outdoor unit temp. sensor error
Outside temp. sensor (TO) error
Suction temp. sensor (TS1) error
Heat sink sensor (TH) error
Misconnection of heat exchanger sensor (TE) with liquid temp. sensor (TL)
→
Miswiring of temp. sensor in outdoor unit or miss-mounting
Miswiring between high pressure sensor (Pd) and low pressure sensor (Ps)
→
Misconnection of pressure sensor in outdoor unit
Discharge temp. sensor (TD3) error
Low pressure sensor (Ps) error
Pressure sensor error in outdoor unit
High pressure sensor (Pd) error
Indoor unit EEPROM error
Compressor break-down
Compressor lock
Outdoor unit compressor system error
Current detection circuit error
Compressor 1 case thermo operation
Miswiring or mismounting of outdoor discharge temp. sensor (TD1) or coming-off of
TD1 sensor
Low pressure (Ps) drop error
Protections stop of outdoor unit
Oil face drop detection error
Oil face detection circuit system temp. sensor (TK1, TK2, TK3, TK4, TK5) error
Miswiring or mismounting of outdoor discharge temp. sensor (TD2) or coming-off of
TD2 sensor
Oil face detection circuit system error: Outdoor unit TK1, TK2, TK3, TK4 circuit system error
Miswiring or mismounting of outdoor discharge temp. sensor (TD3) or coming-off of
TD3 sensor
Duplicated header units in indoor unit
Duplicated priority indoor unit (Displayed in the room with priority)
Duplicated priority indoor unit (Displayed in a room except one with priority)
Group cable was connected to individual indoor unit.
Indoor group address was unset.
Indoor capacity was unset.
Duplicated setting of outdoor line address
Outdoor capacity was unset.
Disagreement error of outdoor unit type
Flow selector unit error
Duplicated address of central control system
No. of connected outdoor units over
Defective No. of IPDU
Indoor unit outside interlock error
Outdoor unit EEPROM error
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