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Chapter 3
Troubleshooting
Common Installation Problems
52
Bulk Power Supply LEDs
There is a single three-color LED on each bulk power supply.
PCI Power Supply LEDs
There are three LEDs on the PCI power supply. Green and yellow LEDs follow OL* operation. A multi-color
LED reports warnings and faults.
Run PDC/SP via
GPM
On Green One or more partition running
Off No partition running, or SP not installed, or SP
installed and not active
Fault PDC/SP via
GPM
Flash Red One or more Partitions have reported a fault
Off No Partitions running, or SP not installed, or SP
installed and not active
Table 3-2 BPS LEDs
LED Indication Description
Blink Green BPS in standby state and no faults or warnings
Green BPS in run state (48 volt output enabled) and no faults or
warnings
Blink Yellow BPS in standby or run state and warning(s) present but no faults
Yellow BPS in standby state and recoverable fault(s) present but no
non-recoverable faults
Blink RED BPS state may be unknown, non-recoverable fault(s) present
Red Not Used (therefore BPS Failure)
Off BPS state unknown, (therefore BPS Fault or Failure)
Table 3-3 PCI Power Supply LEDs
LED Driven By State Description
Power Each Supply On Green All output voltages generated by the power
supply are within limits.
Off Output voltages are turned off
Attention SP via PCI LPM Yellow See Table 3-7.
Table 3-1 Front Panel LEDs (Continued)
LED Driven By State Description