HP Surestore Disk Array 12h - And FC60 Service Manual page 246

Table 32 Controller Troubleshooting
Symptom
Controller LED (front
cover) is ON and the
fan LED is off.
Software issued a
Controller error
message
Controller enclosure
and Fan LED (front
cover) are on
Controller Enclosure Troubleshooting
246
Possible Cause
A Controller missing or
unplugged
B Controller failed
C One or more memory
modules failed
D Controller enclosure
midplane failed
A Controller failed
A Controller enclosure fan
failure caused one or
both Controller(s) to
overheat
Procedure
Check the Power LEDs on both controller
modules. If one Power LED is off, make
sure that the module is plugged in correctly
and its handles are locked in place.
If the Fault LED remains ON after replacing
the Controller, go to cause C.
Replace the memory modules.
If the Fault LED remains ON after replacing
the memory, go to cause D.
Replace the Midplane. If the Fault LED
remains ON after replacing the midplane,
call the factory service center.
– Check the Fan LED on the front cover. If
it is on, go to "Troubleshooting Controller
Fan Module Problems" on page
not, continue at the next step.
– Replace the failed Controller.
– Stop all activity to the Controller module
and turn OFF the power.
– Replace the failed Controller enclosure
fan module.
– Allow the Controller to cool down, then
turn ON the power.
– Check both Controllers for fault LEDs. If
a Controller Fault LED turns on, replace
the failed Controller.
257. If