Fujitsu ASUG12LZAH Air Conditioner Error Codes
ASUG12LZAH Error Code Reference
Section titled “ASUG12LZAH Error Code Reference”Fujitsu Halcyon 12000 BTU inverter mini-split wall-mount indoor unit.
| Error Code | Fault Description |
|---|---|
| 03 | Indoor unit fan motor fault |
| 04 | Outdoor unit fan motor fault |
| 07 | High pressure protection fault |
| 08 | Low pressure / refrigerant shortage detected |
| 13 | Heat exchanger (outdoor coil) temperature sensor fault |
| 20 | Communication error between indoor and outdoor unit |