Toshiba MMD-AP0724H2UL Service Manual page 54

Light block Check code
F01
Operation Timer Ready
F02
F03
F10
Alternate blinking
F11
F04
Operation Timer Ready
F05
F06
F07
Alternate blinking
F08
F12
F13
F15
F16
F22
F23
F24
Operation Timer Ready
F29
Synchronized blinking
H01
Operation Timer Ready
H02
H03
Blinking
H05
H06
H07
H08
H15
H16
H25
L03
Operation Timer Ready
L05
L06
L07
Synchronized blinking
L08
L09
L04
Operation Timer Ready
L10
L17
L18
Synchronized blinking
L20
L28
L29
L30
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Heat exchanger temperature sensor (TCJ) error
Heat exchanger temperature sensor (TC2) error
Heat exchanger temperature sensor (TC1) error
Ambient temperature sensor (TA) error
Discharge temperature sensor (TF) error
Discharge temperature sensor (TD1) error
Discharge temperature sensor (TD2) error
Heat exchanger temperature sensor (TE1, TE2) error
Liquid temperature sensor (TL) error
Outside air temperature sensor (TO) error
Suction temperature sensor (TS1) error
Heat sink sensor (TH) error
Wiring error in heat exchanger sensor (TE1) and liquid temperature sensor (TL)
Outdoor unit temperature sensor wiring/installation error
Wiring error in outdoor high pressure sensor (Pd) and low pressure sensor (Ps)
Outdoor pressure sensor wiring error
Outdoor discharge temperature sensor (TD3) error
Low pressure sensor (Ps) error
High pressure sensor (Pd) error
Fault in indoor EEPROM
Compressor breakdown
Compressor lockup
Current detection circuit error
Wiring/installation error or detachment of outdoor discharge temperature sensor (TD1)
Abnormal drop in low-pressure sensor (Ps) reading
Abnormal drop in oil level
Error in temperature sensor for oil level detection circuit (TK1, TK2, TK3, TK4 or TK5)
Wiring/installation error or detachment of outdoor discharge temperature sensor (TD2)
Oil level detection circuit error - Error in outdoor unit TK1, TK2, TK3, TK4 or TK5 circuit
Wiring/installation error or detachment of outdoor discharge temperature sensor (TD3)
Duplicated indoor group header unit
Duplicated priority indoor unit (as displayed on priority indoor unit)
Duplicated priority indoor unit (as displayed on indoor unit other than priority indoor unit)
Connection of group control cable to stand-alone indoor unit
Indoor group address not set
Indoor capacity not set
Duplicated outdoor refrigerant line address
Outdoor capacity not set
Outdoor model incompatibility error
Flow selector units error
Duplicated central control address
Too many outdoor units connected
Error in number of IPDUs
Indoor external interlock error
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Cause of fault
Indoor unit temperature sensor
errors
Outdoor unit temperature
sensor errors
Outdoor unit pressure sensor
errors
Outdoor unit compressor-
related errors
Protective shutdown of outdoor
unit