IBM DCS9550 1S1 - Manual (Page 50)

Operation
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 35
3.2 Ops Panel LEDs
The Ops Panel LEDs fault and status conditions are defined in Table 3-2 and shown in Figure
3-1.
Please refer to Chapter 4, Troubleshooting and Problem Solving for details of any fault
indication.
Figure 3–1 Ops Panel LEDs and Switches
Table 3–2 Ops Panel LED States
LED Definition Color Normal
Status
Fault
Status
Invalid
Address
Indicates that an invalid Enclosure
ID has been selected or that the
selection has changed after Power
On
Amber Off Flashing
Power On Enclosure Powered On Green On Off
System Fault System/SCM Fault Amber Off On
PSU/Cooling
Fault
PSU Cooling fault or enclosure
over-temperature.
Amber Off On