HP 6400/8400, User Manual

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4. Status indicator (solid green on — normal opera-
tion; solid amber — failure or no power)
1. Power supply
5. Handle 2. AC input connector
3. Latch
Figure 12 Power supply
.
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.
2. Blower 2 1. Blower 1
Figure 13 Blower module pulled out
.
Table 8 Fan status indicators
Description Fault indicator Status indicator
Normal operation. Solid green
On left — green
Maintenance in progress. Blinking
Amber is on or blinking, or the enclosure is
powered down.
Off
Fan failure. Green will be off. (Green and amber
are not on simultaneously except for a few seconds
after power-up.)
On On right — amber
EVA6400/8400 hardware 26