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 | [E |
| 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 |
