Quantum QXS G2 Series, Hardware Installation And Maintenance Manual

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Troubleshoot/Problem Solving 117
2U Chassis 580W PSU LEDs
Under normal conditions, the PSU OK LEDs will be a constant green. Figure 98 provides an illustration
of the PSU LEDs for the RAID or expansion chassis.
Figure 98 2U Chassis PSU LEDs
When a fault occurs, the colors of the LEDs will display as shown in Table 12 .
3 4
1
2
1
Fan Fail LED 2 AC Fail LED
3 PSU OK LED 4 DC Fail LED
Table 12 PSU LEDs
PSU OK
(Green)
Fan Fail
(Amber)
AC Fail
(Amber)
DC Fail
(Amber)
Status
Off Off Off Off No AC power to either PSU.
Off Off On On No AC power on this PSU.
On Off Off Off AC present; PDU working correctly.
On Off Off On PSU fan speed is outside acceptable limits.
Off On Off Off PSU fan has failed.
Off On On On PSU fault (over temperature, over voltage, over current).
Off Blinking Blinking Blinking PSU firmware download is in progress.