Preliminar
y
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 T
emperature LED (Red)
Power Supply Good Light
Over T
emperature 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