HP Surestore Disk Array 12h - And FC60, Service Manual, Page: 589 / 746

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589
T
roubl
esh
ooting
Controller enclosure
and Fan Fault LED
(front cover) are on Controller enclosure fan
failure caused one or both
controller(s) to overheat 1. Stop all activity to the controller module
and turn off the power.
2. Replace the failed controller enclosure
fan module.
3. Allow the controller to cool down, then
turn on the power.
4. Check both controllers for fault LEDs. If a
Controller Fault LED is on, replace the
failed controller.
Midplane
Power LEDs (front and
power supply FRUs)
are ON but all other
Power LEDs are off Other FRUs are missing or
not installed correctly. Check all FRUs in the controller enclosure
and make sure they are installed securely. If
this does not solve the problem, go to cause
B.
Defective DC power
harness or power interface
board. Replace the DC power harnesses and the
power supply assembly. If this does not
solve the problem, go to cause C.
Failed controller enclosure
midplane. Replace the controller enclosure midplane.
Table 73
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(cont’d)
Symptom Possible Cause Procedure