Chapter 3 Subsystem Monitoring
System Monitoring
3-9
Figure 3-6: PSU Module LED
Color Status
Static Green The PSU is operating normally and experiencing no problems
Static Red The PSU has failed and is unable to continue providing power to
the subsystem.
Blinking
Green
The PSU is not turned on. This LED blinks when the power cord
is connected but the power switch is not turned on.
OFF The PSU is not turned on, no power is supplied to the PSU or the
power plug is not connected.
Table 3-7: PSU Module LED Definitions
Figure 3-7: Cooling Fan Module LEDs and Cooling Fan Locations
Each cooling module has two (2) red LEDs. Each LED corresponds to a single cooling
fan within the module.