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Preliminary
Power Supply Troubleshooting
SANbox-16HA Fibre Channel Switch
3-4 Diagnostics/Troubleshooting 59005-03 Rev. A Installer’s/User’s Manual
Shaded text in table denotes abnormal indications.
* The state of the Power Supply Fail LED is not applicable in a system with one Power Supply.
Table 3-2 Troubleshooting Matrix (Single Power Supply)
Front Panel Lights
Lights on
Back of
Power
Supply
System Status
Switch Logic Power Good LED
Power Supply Fail LED (Red)
Over Temperature LED (Red)
Power Supply Good Light
Over Temperature LED (Red)
Fan
Power Switch ON
Corrective Action
Chassis OFF Off NA* Off Off Off Off No Press the
appropriate Power
Switch to 1 (ON)
ON - OK On NA* Off On Off On Yes None
AC source
disruption
Off NA* Off Off Off Off Yes Check AC source,
plug, and fuse
Power Supply
voltage out of
range
Off NA* Off Off Off On Yes Replace Power
Supply/Fan
Power Supply
overheat
Off NA* Off Off On On Yes Fix cause of
overheat, else
replace faulty Power
Supply
Fan Failure
Off NA* Off Off On Off Yes Replace Power
Supply/Fan
Chassis
Overheat
On NA*
On On Off On Yes Fix cause of
overheat, else
power down
immediately