Color
None
Green
Amber
Figure 50 PSU Fault LED
Controller module fault LEDs
The controller module (CM) has a number of ports, each with independent status LEDs. The asterisk (*) indicates a fault
condition.
56 Chapter 6 Hardware installation and configuration issues
State
Status
Off
No AC power is present.
On
AC power is present and the PSU is functioning normally.
On *
The PSU has a hardware fault: over temperature, over voltage, or over current.
Flashing
A PSU firmware download is in progress.