Carrier AC Error Code with description
In this post Carrier AC Error Code available for solve carrier errors and fault.
| Error | Description |
|---|---|
| E0 | Indoor unit EEPROM parameter error |
| E1 | Indoor / outdoor units communication error |
| E3 | Indoor fan speed has been out of control |
| E4 | Indoor room temperature sensor T1 open circuit or shortcircuit |
| E5 | Evaporator coil temperature sensor T2 open circuit or short circuit |
| EC | Refrigerant Leakage Detection |
| F1 | Outdoor ambient temperature sensor T4 open circuit or short circuit |
| F2 | Condenser coil temperature sensor T3 open circuit or short circuit |
| F3 | Compressor discharge temperature sensor T5 open circuit or short circuit |
| F4 | Outdoor unit EEPROM parameter error |
| F5 | Outdoor fan speed has been out of control |
| P0 | IPM malfunction or IGBT over-strong current protection |
| P1 | Over voltage or over low voltage protection |
| P2 | High temperature protection of compressor top diagnosis and solution |
| P4 | Inverter compressor drive error |
| P5 | Mode conflict |
| P6 | Compressor voltage protectio |
Crrier DC inverter Error Code
The error message is shown at the OUTDOOR UNIT CONTROLLER as following table:
Outdoor Temperature Sensor Failure
| Ambient temperature sensor | E0 |
| Inlet coil temperature sensor | E1 |
| Suction temperature sensor | E2 |
| Mid coil temperature sensor | E3 |
| DLT Digital Compressor sensor | E4 |
Outdoor Status Error
| Communication error between indoor & outdoor unit controllers | LE |
| High pressure status | KP |
| Low pressure status | LP |
| Over current | 0[ |
| Green zone (Compressor over heat) | D0 |
| Yellow zone (Compressor over heat) | D1 |
| Red zone (Digital Compressor over heat) | D2 |
| Evacuation process | F2 |
| Pump down | F1 |
| Test mode | F0 |
| Oil belancing | OB |
| Oil recovery | OR |
| HP or LP system off | F3 |
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