Hitachi PC-ARH - Alarm Indication

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7. ALARM INDICATION
The Run LED (Red) is fl ickering. The LCD display, shows the following information:
- Alarm affected indoor unit No.
- Alarm Code.
- Unit model.
- No. of indoor units connected in the system.
NOTE
For more detailed information about alarm indication, please refer to Outdoor unit Installation Operation Manual.
Alarm Indication