Toshiba MCY-MUG0401HSW-E Service Manual page 171

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
Operation Timer Ready
Synchronized blinking
Operation Timer Ready
Synchronized blinking
Operation Timer Ready
Synchronized blinking
F01 Heat exchanger temperature sensor (TCJ) trouble
F02 Heat exchanger temperature sensor (TC2) trouble
F03 Heat exchanger temperature sensor (TC1) trouble
F10 Ambient temperature sensor (TA/TSA) trouble
F11 Discharge temperature sensor (TF) trouble
F04 Discharge temperature sensor (TD) trouble
F06 Heat exchanger temperature sensor (TE) trouble
F07 Liquid temperature sensor (TL1) trouble
F08 Outside air temperature sensor (TO) trouble
F12 Suction temperature sensor (TS1) trouble
F13 Heat sink sensor (TH) trouble
Wiring error in heat exchanger sensor (TE) and liquid temperature sensor (TL1)
F15
Outdoor unit temperature sensor wiring / installation trouble
Wiring error in outdoor high pressure sensor (Pd) and low pressure sensor (Ps)
F16
Outdoor pressure sensor wiring Trouble
F23 Low pressure sensor (Ps) Trouble
F24 High pressure sensor (Pd) Trouble
F29 Trouble in indoor EEPROM
H01 Compressor breakdown
H02 Compressor lockup
H03 Current detection circuit Trouble
H04 Comp. case thermo operation
H06 Abnormal drop in low-pressure sensor (Ps) reading
H17 Compressor trouble (Step-out)
J29 Leak Detector trouble
J30 Refrigerant leak detection
J31 Duplicated priority indoor unit (as displayed on priority indoor unit)
L02 Outdoor unit model mismatched trouble
L03 Duplicated indoor group outdoor 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
L11 Shut-off Valve unit installation trouble
L13 Safety measures setting unmatched
L14 Safety measures nonconformity
L20 Duplicated central control address
L29 Trouble in number of P.C. boards
L30 Indoor external interlock trouble
F30 Occupancy sensor trouble
F31 Outdoor EEPROM trouble
Cause of trouble
170
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