Brand: HITACHI
Category: Air Conditioner
Document Type: Manual
Language: EN
Brand: HITACHI
Category: Air Conditioner
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 6:28 p.m.
Manual Publish Date: 2021-04-01
Contact your local agent or contractor for any issues regarding installation, performance, or maintenance. Unauthorized modifications void the warranty.
Indoor Unit Functions:
Outdoor Unit Functions:
General Operation Precautions:
| SELF-CHECK DIAGNOSIS RESULTS | Solution | |
|---|---|---|
| Blink 1 time | No problem with electrical parts. | Replace compressor. |
| Blink 2 times | Peak current cut signal. | Replace electrical parts. |
| Blink 7 times | Motor current error. | Compressor connector become disconnected. Adjust connector. Compressor connector properly connected. Check compressor, then replace electrical parts. |
| Blink 10 times | DC voltage error. | Abnormal AC input power supply (outside range of rated voltage ±10%). Connect to proper power supply. Normal AC input power supply (inside range of rated voltage ±10%). Replace electrical parts. |
| Blink 13 times | EEPROM read error. | Replace electrical parts. |