QNAP TS-h 90FU Series User Manual page 58

Duration
Long beep (1.5 seconds)
Long and short beeps
Frequency
3 (every 5 minutes)
2
1
1 long and 2 short beeps
Description
• A power error occurred.
• The system fan is not functioning.
• The fan module has been removed.
• The NAS data cannot be copied to the external
storage device connected to the front USB port.
• The storage pool is about to reach full capacity.
• The storage pool has reached full capacity.
• A storage pool status error occurred.
• The shared folder is about to reach its full
capacity.
• The shared folder has reached its full capacity.
• A shared folder status error occurred.
• A drive is plugged in or out.
• The NAS was powered off by force shutdown
(hardware shutdown).
• The NAS was powered on successfully and is
ready.
The JBOD expansion unit has been removed.
TS-hx90FU User Guide
Basic Operations 57