Removing A Backup Battery - Hitachi AMS 2000 Series Service Manual

Removing a backup battery

Figure 4-15
contains an Alarm LED and a Ready LED. The battery includes a lock lever
that keeps the battery securely installed in the array and is used to remove
the battery when needed.
Item
1
2
3
Perform the following procedure with the power turned on.
1. Remove the front bezel.
2. Press the blue lock button on the end of the lock lever and pull the lever
outward and away from the unit. This will disconnect the battery from
the connectors in the unit and pull it about 1/2 inch (13 mm) out of the
unit.
3. Holding the battery with both hands, slide it out of the base unit.
NOTE: The depth of the cache backup battery about 8 inches (200 mm)
and it weighs about 4-1/2 lbs (2.0 kg). Be careful when sliding it out of the
base unit.
4–24
shows the cache backup battery. The front panel on the battery
Figure 4-15: Cache Backup Battery
Table 4-10: Cache Backup Battery
Description
When the lock lever is closed and the blue button is fully
Lock Lever
extended, the battery is secured to the array.
Alarm LED • When on, indicates that the battery has failed.
• When off, indicates that the battery status is normal.
RED
This LED indicates the condition of the battery.
• On: normal status
Ready LED
• Low-speed blinking (1 blink per second): The battery is not
fully charged.
GREEN
• Off or high-speed blinking (8 blinks per second): Abnormal
status
Replacing parts
Hitachi AMS 2000 Family Storage System Service Guide
Status