Duration
Frequency
Description
Long beep (1.5 seconds)
3 (every 5 minutes)
• The system fan is not functioning.
• The fan module has been removed.
2
• The disk volume is about to reach its full
capacity.
• The disk volume has reached its full capacity.
• The drives are in degraded mode.
• The drive is 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-433 User Guide
Basic Operations
30
