Fujitsu ASU12RLF Mini Split Error Codes
ASU12RLF Error Code Reference
Section titled “ASU12RLF Error Code Reference”Fujitsu ASU 12000 BTU ductless wall-mount mini-split indoor unit with advanced auto-restart.
| Error Code | Fault Description |
|---|---|
| 03 | Indoor unit fan motor fault |
| 07 | High pressure protection fault |
| 08 | Low pressure / refrigerant shortage detected |
| 13 | Heat exchanger (outdoor coil) temperature sensor fault |
| 11 | Suction pipe temperature sensor (thermistor) fault |
| 20 | Communication error between indoor and outdoor unit |