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HP Surestore Disk Array 12h and FC60 User Manual

Page 371

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Controller Enclosure Troubleshooting 371

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 49 Master Troubleshooting Controller (cont’d)

Symptom

Possible Cause

Procedure