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Toshiba Error Codes

Every Toshiba error code we have catalogued, with what it means on site — 38 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.

38 codes
CodeWhat it means
E01No communication from master indoor unit
E02Local controller failure (unable to transmit)
E03Master indoor unit receives no data
E04No communication from outdoor unit
E08Duplicated indoor address
E10Indoor PCB failure
E18Communication failure master ↔ slave
F01Indoor TCJ sensor error
F02Indoor TC2 sensor error
F04TD (discharge) sensor error
F06TE/TS sensor error
F07TL sensor error
F08TO sensor error
F10Indoor TA sensor error
F12TS sensor error
F23PS sensor error
F29Indoor PCB failure
F31Outdoor PCB EEPROM error
H01Inverter compressor over-current
H02Compressor lock (over-current at startup)
H04Case thermostat operation
H06Low pressure detected by PS sensor
L08Indoor address not set
L09Indoor unit capacity not set
L29IPDU error (number reduced)
L30External interlock / CN80 input
L31Outdoor PCB error
P01Indoor fan motor error
P03High discharge temperature (TD1 > 115°C)
P04High pressure switch activated
P05Open phase of 3-phase power
P07Heat sink overheat
P10Float switch activated (drainage)
P12Indoor fan motor error (feedback)
P194-way valve switching error
P22Outdoor fan IPDU error
P26Short circuit of compressor driving element
P31Indoor PCB error

Official Toshiba source / manual ↗

Look up any error code — offline — in R-Pro.

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