
Detecting and Managing Faults 21
LED OverviewThe server provides the following groups of LEDs:
■Front panel system LEDs
■Rear panel system LEDs
■Hard drive LEDs
■Power supply LEDs
■Fan module LEDs
■Rear panel Ethernet port LEDs
■FB-DIMM Locate LEDs
The following table provides quick-reference information about the various LEDs. It
also points to more detailed descriptions for each.
TABLE: SystemFaults and the Corresponding LED States
ComponentFault FaultLEDs Lit AdditionalInformation
Power supply • Service Required LED (front and rear panel)
• Front panel Power Supply Fault LED
• Individual power supply Fault LED
•“Power Supplies Overview” on page 129
•“Remove a Power Supply” on page 131
•“Install a Power Supply” on page 134
Fan module • Service RequiredLED (front and rear panel)
• Front panel Fan Fault LED
• Individual fan module Fault LED
• Overtemp LED (if overtemp condition exists)
•“Fan Module Overview” on page 123
•“Remove a Fan Module” on page 125
•“Install a Fan Module” on page 127