User manual
  28 
Beep alarm (for all NAS models) 
The beep alarm can be disabled in “System Administration” > “Hardware Settings”. 
Beep sound 
Number of Times 
Description 
Short beep (0.5 sec) 
1 
1.  The NAS is starting up. 
2.  The NAS is being shut down 
(software shutdown). 
3.  The user presses the reset button to 
reset the NAS. 
4.  The system firmware has been 
updated. 
Short beep (0.5 sec) 
3 
The user tries to copy the NAS data to the 
external storage device from the front 
USB port, but the data cannot be copied. 
Long beep (1.5 sec) 
3, every 5 min 
The system fan is out of function. 
Long beep (1.5 sec) 
2 
1.  The disk volume is going to be full. 
2.  The disk volume has reached its full 
capacity. 
3.  The hard drives on the NAS are in 
degraded mode. 
4.  The user starts the hard drive 
rebuilding process. 
5.  A hard drive is plugged in or out. 
1 
1.  The NAS is turned off by force 
shutdown (hardware shutdown). 
2.  The NAS has been turned on 
successfully and is ready. 










