Table 16. Troubleshooting (continued)
Problem indicator Component Possible cause Possible solutions
Amber LED is lit
(continued)
storage
controller fault
LED (service
action LED
may also be lit)
Unsupported
controller
Controller configurations do not
match. Check that host daughter
card and cache memory are the
same in both controllers.
Front panel Fibre Channel
connection
Check that the CRUs are
properly installed. If no amber
LEDs are lit, suspect failure of
the SFP module. Verify the
failure using the Storage
Manager Client.
If all Fibre Channel connections
failed, suspect failure of the Fibre
Channel host daughter card.
SAS connection
Check the SAS connection to
verify that the CRUs are properly
installed.
If the SAS port LED is off,
suspect failure of the SAS host
daughter card.
iSCSI connection
Check the iSCSI connection to
verify that the CRUs are properly
installed.
If the iSCSI port LED is off,
check the Ethernet cable or verify
the link speed.
If all the iSCSI port LEDs are off,
suspect failure of the iSCSI host
daughter card.
Battery fault Battery unit failure Verify the failure using the
Storage Manager Client and
replace the failed battery.
Amber LED is lit
and green LED is
off
Power supply
(Amber fault
LED is lit and
both power
LEDs are not
lit)
The power switch is
turned off or there
is an ac or dc
power source
failure.
Replace the failed power supply
or turn on all power-supply
switches. If this is a dc power
supply, check the disconnect
device to ensure that it is
working and is in the on
position.
Chapter 6. Solving problems 163
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