Toshiba Error Codes

Indoor unit room temperature sensor fault

Indoor unit coil (heat exchanger) temperature sensor fault

Outdoor unit ambient temperature sensor fault

Outdoor unit heat exchanger temperature sensor fault

Compressor discharge line temperature sensor fault

Overcurrent protection activated

Indoor-outdoor unit communication error

Indoor unit fan motor fault

Outdoor unit fan motor fault

Drain / condensate drainage fault

Outdoor unit PCB (control board) fault

High pressure protection activated

Low pressure protection activated

Compressor overload protection

Indoor unit freeze protection / excessive cooling

Compressor current protection

Voltage protection (high or low voltage)

Compressor startup failure

Power module (IPM) protection

Outdoor unit discharge temperature excessive high protection