Duration
Frequency
Description
Long beep (1.5
seconds)
3 (every 5 minutes)
• A power error occurred.
• A system fan is not functioning.
• A fan module has been removed.
• The NAS data cannot be copied to the external storage
device connected to the USB One Touch Copy port.
2
• A storage pool is about to reach full capacity.
• A storage pool has reached full capacity.
• A storage pool status error occurred.
• A shared folder is about to reach its full capacity.
• A shared folder has reached its full capacity.
• The drives are in degraded mode.
• A drive is rebuilding.
• An external storage device has been removed from the USB
One Touch Copy port.
• A shared folder status error occurred.
• A drive is plugged in or out.
• The iSCSI is about to reach full capacity.
1
• The NAS was powered off by force shutdown (hardware
shutdown).
• The NAS was powered on successfully and is ready.
Long and short
beeps
1 long and 2 short
beeps
The JBOD expansion unit has been removed.
TBS-h574TX User Guide
Basic Operations
36