1. Power supply
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.
1. Blower 1
Figure 13 Blower module pulled out
.
Table 8 Fan status indicators
Status indicator
On left — green
On right — amber
26
EVA6400/8400 hardware
4. Status indicator (solid green on — normal opera-
tion; solid amber — failure or no power)
5. Handle
2. Blower 2
Fault indicator
Solid green
Blinking
Off
On
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.)