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Light block
Check code
Operation Timer
Ready
Alternate blinking
Operation Timer
Ready
Alternate blinking
Operation
Timer
Ready
Synchronized blinking
Operation Timer
Ready
Blinking
Operation
Timer
Ready
Synchronized blinking
Operation
Timer
Ready
Synchronized blinking
Heat exchanger temperature sensor (TCJ) trouble
F01
Heat exchanger temperature sensor (TC2) trouble
F02
Heat exchanger temperature sensor (TC1) trouble
F03
Ambient temperature sensor (TA/TSA) trouble
F10
Discharge temperature sensor (TF) trouble
F11
Discharge temperature sensor (TD1) trouble
F04
Discharge temperature sensor (TD2) trouble
F05
Heat exchanger temperature sensor (TE1, TE2, TE3) trouble
F06
Liquid temperature sensor (TL1, TL2, TL3) trouble
F07
Outside air temperature sensor (TO) trouble
F08
Heat exchanger gas side temperature sensor (TG1, TG2, TG3)
F09
trouble
Suction temperature sensor (TS1, TS3) trouble
F12
Heat sink sensor (TH) trouble
F13
Wiring trouble in heat exchanger sensor (TE1) and liquid temperature sensor (TL)
F15
Outdoor unit temperature sensor wiring / installation trouble
Wiring trouble in outdoor high pressure sensor (Pd) and low pressure sensor (Ps)
F16
Outdoor pressure sensor wiring trouble
Low pressure sensor (Ps) trouble
F23
High pressure sensor (Pd) trouble
F24
F29
Trouble in indoor EEPROM
Compressor breakdown
H01
H02
Compressor lockup
Current detection circuit trouble
H03
H05
Wiring / installation trouble or detachment of outdoor discharge temperature sensor (TD1)
H06
Abnormal drop in low-pressure sensor (Ps) reading
H07
Abnormal drop in oil level
Trouble in temperature sensor for oil level detection circuit (TK1, TK2)
H08
Wiring / installation trouble or detachment of outdoor discharge temperature sensor (TD2)
H15
Oil level detection circuit trouble - Trouble in outdoor unit TK1, TK2 circuit
H16
H17
Compressor trouble (Step-out)
Compressor motor winding trouble
H28
Outdoor unit model mismatched trouble
L02
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
Outdoor model incompatibility trouble
L17
L20
Duplicated central control address
L23
SW setting trouble
L28
Too many outdoor units connected
Trouble in number of P.C. boards
L29
Indoor external interlock trouble
L30
Cause of trouble
- 180 -
Indoor unit temperature
sensor trouble
Outdoor unit temperature
sensor trouble
Outdoor unit pressure sensor
trouble
Outdoor unit compressor
related trouble
Protective shutdown of outdoor
unit
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Table of Contents
Troubleshooting
