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Preliminary
Power Supply Troubleshooting
SANbox-16HA Fibre Channel Switch
Installer’s/User’s Manual 59005-03 Rev. A Diagnostics/Troubleshooting 3-3
Shaded text in table denotes abnormal indications.
Power
Supply
voltage out
of range
O
n
O
n
O
ff
O
ff
O
ff
O
n
O
n
O
ff
O
n
Y
e
s
Replace Power
Supply/Fan
Power
Supply
overheat
O
n
O
n
O
ff
O
ff
O
n
O
n
O
n
O
ff
O
n
Y
e
s
Fix cause of
overheat, else
replace faulty
Power Supply
Fan Failure O
n
O
n
O
ff
O
ff
O
n
O
ff
O
n
O
ff
O
n
Y
e
s
Replace Power
Supply/Fan
Chassis
Overheat
O
n
O
ff
O
n
O
n
O
ff
O
n
O
n
O
ff
O
n
Y
e
s
Fix cause of
overheat, else
power down
immediately
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