Carrier error codes
28 codes
Air conditioner 28
- A1 — Communication Error
- A2 — Temperature Sensor Error
- A3 — Fan Motor Error
- A4 — Compressor Error
- A5 — Drainage Error
- A6 — High Pressure Error
- A7 — Low Pressure Error
- A8 — Control Board Error
- A9 — Power Supply Error
- B1 — Room Temperature Error
- dn — EXV Communication Error
- E1 — High Pressure Protection
- E2 — Indoor Anti-Freezing Protection
- E3 — Low Pressure Protection
- E4 — Compressor Discharge High Temp Protection
- E6 — Indoor/Outdoor Communication Error
- E7 — Mode Conflict
- E8 — System Overload Protection
- F3 — Outdoor Ambient Temperature Sensor Malfunction
- F5 — Outdoor Discharge Air Temperature Sensor Malfunction
- H3 — Compressor Overheat Protection
- H5 — IPM Protection
- Lc — Compressor Start-Up Failure
- Ld — Compressor Phase Loss Protection
- P1 — Voltage Protection
- P7 — Heat Sink Temperature Sensor Malfunction
- P8 — IPM Over-Temperature Protection
- PU — Capacitor Charging Malfunction