Technical data

84 Chapter 4 Subsystem Architecture and Components
4.7.5.2 Disk Drive Display (RKAJ, RKAJAT)
WARN LED (orange)
HDD ALARM LED (red)
HDD ACTIVE LED (green)
PWR LED (green)
Figure 4.28 Disk Drive Display (RKAJ., RKAJAT) LED Locations
Table 4.16 Disk Drive Display (RKAJ, RKAJAT) LED Functions
LED Function
HDD ACTIVE LED (green) When on or flashing, it indicates that the disk drive is operational.
HDD ALARM LED (red) When on, it indicates that a failure occurred in the disk drive; the disk drive is inoperable.
WARN LED (orange) When on, it indicates that a failure occurs in the unit, so the unit is inoperable.
PWR LED (green) When on, it indicates that electricity is supplied to the unit.
4.7.5.3 Battery Backup Unit
A
LARM LED(red)
CHARGE LED(yellow)
READY LED(green)
Figure 4.29 Battery Backup Unit LED Locations
Table 4.17 Battery Backup Unit LED Functions
LED Function
READY LED (green) When on, flashing, or off, it indicates the condition of the battery.
CHARGE LED (yellow) When on or flashing, it indicates the charging status of the battery.
ALARM LED (red) When on, it indicates that a failure occurs in the battery.
When flashing or off, it indicates the condition of the battery.