Brand: Generic
Category: Home HVAC System
Document Type: Manual
Language: EN
Available Languages: EN , ES
Brand: Generic
Category: Home HVAC System
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: Nov. 21, 2025, 6:22 p.m.
Refer to specific product documentation or manufacturer for warranty details.
| Failure Type | Indoor LED Code | CASSETTE | Outdoor light blink time (n) | |||
|---|---|---|---|---|---|---|
| LED1 | LED2 | LED3 | LED4 | |||
| Indoor and outdoor communication failure | E0 | ▴ | ▴ | ▴ | ▴ | 7 |
| Outdoor communication failure | EC | ▴ | ▴ | ▴ | ▴ | 15 |
| Indoor room temperature sensor (IRT) | E1 | ■ | ■ | ■ | ■ | 25 |
| Indoor coil temperature sensor (IPT) | E2 | ■ | ▴ | ■ | ▴ | 26 |
| Outdoor coil temperature sensor (OPT) | E3 | ■ | ▴ | ▴ | ▴ | 10 |
| IPM over current protect | E4 | ■ | ■ | ▴ | ▴ | 40 |
| Compressor phase-deficient operation | ■ | ■ | ■ | ■ | 34 | |
| Model configuration wrong | E5 | ■ | ■ | ■ | ▴ | 29 |
| Indoor fan motor fault | E6 | ■ | ■ | ■ | ■ | 21 |
| Outdoor temperature sensor | E7 | ■ | ▴ | ▴ | ▴ | 9 |
| Exhaust temp. sensor | E8 | ■ | ▴ | ▴ | ▴ | 11 |
| IPM drive and module fault | E9 | ■ | ▴ | ▴ | ▴ | 30 |
| Outdoor fan motor fault (DC motor) | EF | ■ | ▴ | ▴ | ▴ | 16 |
| Current sensor fault | EA | ■ | ■ | ▴ | ▴ | 13 |
| Indoor EEPROM fault | EE | ■ | ■ | ▴ | ▴ | 27 |
| Outdoor EEPROM fault | EE | ■ | ■ | ▴ | ▴ | 19 |
| Temp. switch fault (on top of the compressor) | EP | - | - | - | - | 8 |
| Voltage sensor fault | EU | ■ | ▴ | ■ | ▴ | 12 |
| Suction temperature sensor fault | EH | ■ | ▴ | ■ | ▴ | 18 |
| Outlet temperature sensor A fault | ■ | ■ | ■ | ▴ | 47 | |
| Outlet temperature sensor B fault | Ey | ■ | ■ | ■ | ▴ | 48 |
| Inlet temperature sensor A fault | ■ | ▴ | ▴ | ▴ | 51 | |
| Inlet temperature sensor B fault | En | ■ | ▴ | ▴ | ▴ | 52 |