Toshiba MMK-UP0051DHPL-E(TR) Service Manual page 72

Light block Check code
Operation Timer Ready
Alternate blinking
Operation Timer Ready
Alternate blinking
Operation Timer Ready
Synchronized blinking
H01
Operation Timer Ready
H02
H03
Blinking
H05
H06
H07
H08
H15
H16
H25
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) trouble
F10
Discharge temperature sensor (TF) trouble
F11
Discharge temperature sensor (TD1) trouble Discharge
F04
temperature sensor (TD2) trouble
F05
Heat exchanger temperature sensor (TE1, TE2) trouble
F06
Liquid temperature sensor (TL) trouble
F07
Outside air temperature sensor (TO) trouble
F08
TG1,TG2 or TG3 sensor trouble
F09
Suction temperature sensor (TS1) 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
Outdoor discharge temperature sensor (TD3) trouble
F22
Low pressure sensor (Ps) trouble
F23
High pressure sensor (Pd) trouble
F24
Occupancy sensor trouble
F30
Indoor unit EEPROM trouble
F31
F29 Failure in indoor EEPROM
Compressor breakdown
Compressor lockup
Current detection circuit trouble
Comp. 1 case thermostat operation
H04
Wiring / installation trouble or detachment of outdoor discharge temperature sensor (TD1)
Abnormal drop in low-pressure sensor (Ps) reading
Abnormal drop in oil level
Trouble in temperature sensor for oil level detection circuit (TK1, TK2, TK3, TK4 or TK5)
Comp. 2 case thermostat operation
F14
Wiring / installation trouble or detachment of outdoor discharge temperature sensor (TD2)
Oil level detection circuit trouble - Trouble in outdoor unit TK1, TK2, TK3, TK4 or TK5 circuit
Wiring / installation trouble or detachment of outdoor discharge temperature sensor (TD3)
Model mismatched of indoor and outdoor unit
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 a single 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
Flow selector units trouble
L18
L20 Duplicated central control address
L28 Too many outdoor units connected
Trouble in number of P.C. boards
L29
Indoor external interlock trouble (External abnormal input)
L30
Cause of trouble
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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