Error could be related to Fan, Power, RAID controller module, or it may be a disk has been locked. Refer to below table of Beeper Code for more detail.
| Beeper mode | Description |
|---|---|
| 1 short beep (boot up) | RAID system is ready |
| 1 short beep | Array init, rebuild, expansion, migration |
| 2 short beeps | Wrong ID setting of JBOD enclosure |
| 3 short beeps | Error in: Fan, Power, RAID or Disk locked |
| 1 long beep | System Panic |