Color
State
None
Off
On*
Amber
Flashing
Figure 49 System fan module fault LED
Power supply unit (PSU) status LED
Each PSU has a bitonal green or amber status LED. The asterisk (*) indicates a fault condition.
Status
No AC power is present or the system fan module is functioning normally. Fan activity indicates AC
power is present.
The system fan module has a hardware fault.
AC power is present and the system fan module is undergoing system identification.
Chapter 6 Hardware installation and configuration issues
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