Daikin FTXB25C Air Conditioner Error Codes
FTXB25C Error Code Reference
Section titled “FTXB25C Error Code Reference”Daikin Sensira series 2.5 kW inverter split AC
| Error Code | Fault Description |
|---|---|
| A1 | Indoor PCB fault |
| A5 | Indoor coil freeze or high-temperature protection |
| C4 | Indoor coil temperature sensor fault |
| E3 | High pressure protection |
| E5 | Inverter overcurrent fault |
| H6 | Indoor fan motor Hall sensor fault |