Carrier 40MAQB24A3 Mini Split Error Codes
40MAQB24A3 Error Code Reference
Section titled “40MAQB24A3 Error Code Reference”Carrier MAQB-series 24000 BTU ductless mini-split
| Error Code | Fault Description |
|---|---|
| E2 | Indoor thermistor fault |
| E3 | Indoor coil thermistor fault |
| E6 | Communication fault |
| E7 | Outdoor fan fault |
| HP | High pressure protection |
| FL | Refrigerant line fault |