Power-Supply Leds - IBM System x3650 M3 4255 Service Manual

Power-supply LEDs

The following minimum configuration is required for the DC LED on the power
supply to be lit:
v Power supply
v Power cord
v
The following minimum configuration is required for the server to start:
v One microprocessor (slot 1)
v One 2 GB DIMM per microprocessor on the system board (slot 3 if only one
microprocessor is installed)
v One power supply
v Power cord
v Three cooling fans
v One PCI riser-card assembly in PCI riser connector 2
v ServeRAID SAS controller
The following illustration shows the locations of the power-supply LEDs.
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs and the power-on LED on the operator
information panel and suggested actions to correct the detected problems.
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Chapter 3. Diagnostics