Blower Module; Battery Module - HP 6400/8400 User Manual

Figure 12 Power supply
1. Power supply
2. AC input connector
3. Latch

Blower module

Fan modules provide the cooling necessary to maintain the proper operating temperature within
the controller enclosure. If one fan fails, the remaining fan is capable of cooling the enclosure.
Figure 13 Blower module pulled out
1. Blower 1
Table 7 Fan status indicators
Status indicator
On left — green
On right — amber

Battery module

Batteries provide backup power to maintain the contents of the controller cache when AC power
is lost and the storage system has not been shutdown properly. When fully charged the batteries
can sustain the cache contents for to 96 hours. Three batteries are used on the EVA8400 and two
batteries are used on the EVA6400.
batteries and the battery status indicators. See
the status indicators.
2. Blower 2
Fault indicator
Solid green
Blinking
Off
On
Figure 14 (page 18)
Table 8 (page 18)
4. Status indicator (solid green on—normal operation; solid
amber—failure or no power)
5. Handle
Description
Normal operation.
Maintenance in progress.
Amber is on or blinking, or the enclosure is powered
down.
Fan failure. Green will be off. (Green and amber are
not on simultaneously except for a few seconds after
power-up.)
illustrates the location of the cache
for additional information on
Blower module 17