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Preliminary
Power Supply Troubleshooting
SANbox-16HA Fibre Channel Switch
3-2 Diagnostics/Troubleshooting 59005-03 Rev. A Installer’s/User’s Manual
Power Supply Troubleshooting
Table 3-1 and Table 3-2 are troubleshooting matrixes for finding AC source power
and Power Supply problems. They use indications such as LEDs and fan rotation to
find problems. Use Table 3-2 for chassis that contain one Power Supply. Use Table
3-1 for chassis that contain two Power Supplies.
If the appropriate table does not lead you to the problem or if you need a new
Power Supply, notify QLogic Customer Support or your authorized maintenance
provider. Refer to Appendix B QLogic Customer Support for information about
how to contact QLogic Customer Support.
Table 3-1 Troubleshooting Matrix (Dual Power Supply)
Supply Bad Supply Good
Front Panel
Lights
Lights
on Back
of Power
Supply
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 Supply Good Light
Over Temperature LED (Red)
Fan
Power Switches ON
Corrective
Action
Chassis
OFF
O
ff
O
ff
O
ff
O
ff
O
ff
O
ff
O
ff
O
ff
O
ff
N
o
Press Both
Power
Switches to 1
(ON)
ON - OK O
n
O
ff
O
ff
O
n
O
ff
O
n
O
n
O
ff
O
n
Y
e
s
None
One AC
source
disruption
O
n
O
n
O
ff
O
ff
O
ff
O
ff
O
n
O
ff
O
n
Y
e
s
Check AC
source, plug,
and fuse for
bad Supply