Duration Frequency Description
Long beep (1.5 seconds) 3 (every 5 minutes) The system fan is not functioning.
2 • The shared folder is about to reach its full capacity.
• The shared folder has reached its full capacity.
• The hard drives on the NAS are in degraded mode.
• The hard drives have started rebuilding.
• A drive is plugged in or out.
1 • The NAS was powered off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is ready.
TS-h973AX User Guide
Basic Operations 39