HP 4400 Enterprise Virtual Array Expansion Rack Reference Guide (5697-2285, January 2013)

Inspect the disk enclosure fan modules
On the disk enclosure fan modules (2, Figure 19 (page 16)), check the fan status LEDs:
• Green — Normal operation
• Amber — Fault condition
• Off — Fan unseated from connector or failed
Figure 19 Fan module location — rear view of disk enclosure
1 12 23
1. Power supply
2. Fan
3. I/O module
16 Installing disk enclosures in the expansion rack