Chapter 4: Subsystem Operation and Monitoring
Status-indicating LEDs
4-13
Figure 4-8: PSU LED
Color
Status
Intermittent
Flashing Green
The power supply has not been turned on. The PSU
LED flashes when the subsystem is connected to a
power source but not yet turned on.
Static Green
The PSU is operating normally
Static Red
The PSU has failed and is unable to provide power
to the subsystem.
Table 4-7: PSU LED Definitions
4.4.7 Cooling Module LEDs
Each cooling module has two (2) red LEDs located on the PSU module.
Each LED corresponds to an individual cooling fan. (See
Figure 4-9
) Please
refer to the cooling module LED definitions shown in
Table 4-8
.
Figure 4-9: Cooling Module LEDs and Cooling Fan Locations
Color
Status
Static Green
The cooling fan is operating normally.
Static Red
The cooling fan has failed.
Table 4-8: Cooling Module LED Definitions