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2-20 Sun StorEdge 5310 NAS Troubleshooting Guide • December 2004
2.5.4 Rear Panel Power Supply Status LED
The rear-panel power supply status LEDs are located as shown in Figure 2-4.
FIGURE 2-4 Location of Rear-Panel Power Supply Status LEDs
The rear-panel power supply status LED has the states indicated in Table 2-8.
Note – If redundant power supplies are used in the Sun StorEdge 5310 NAS, the
power supply LEDs have the following meaning:
Both LEDs off = no power to power supplies or both power supplies bad.
Both LEDs blinking green = power supplies receiving AC power, but server is off.
Both LEDs solid green = server is fully powered on and power supplies are good.
One LED solid green and one LED amber = AC power missing from one of the
power supplies.
TABLE 2-8 Power Supply Status LED States
Power Supply LED State Power Supply Condition
OFF No AC power present to power supply
BLINKING GREEN AC power present, but only the standby outputs are on
GREEN Power supply DC outputs are on and OK
BLINKING AMBER PSAlert# signal asserted, power supply on
AMBER Power supply shutdown due to over current, over temperature, over voltage,
or undervoltage
AMBER or OFF Power supply failed and AC fuse open or other critical failure
Power Supply Status LEDs
(Redundant Power Supplies)