HP AA988A HP StorageWorks 2012sa Modular Smart Array user guide (488320-002, J - Page 61

Is the power-and-cooling module DC Voltage/Fan Fault/Service Required LED amber?, Is the drive

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Is the power-and-cooling module DC Voltage/Fan Fault/Service Required LED amber? Answer No Yes Possible Reasons System functioning properly. The power supply unit or a fan is operating at an unacceptable voltage/RPM level, or has failed. Actions No action required. When isolating faults in the powerand-cooling module, remember that the fans in both modules receive power through a common bus on the midplane, so if a power supply unit fails, the fans continue to operate normally. • Check that the power-and-cooling supply FRU is firmly locked into position. • Check that the AC cord is connected to a power source. • Check that the AC cord is connected to the power-andcooling module. Is the drive enclosure back panel OK LED off? Answer No Yes Possible Reasons System functioning properly • The expansion module is not powered on. • The controller module has failed. Actions No action required • Check that the drive is fully inserted and latched in place, • Check that the enclosure is powered on. • Check that the AC cord is connected to a power source. • Check the event log for specific information regarding the failure. Chapter 5 Troubleshooting 61

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Chapter 5
Troubleshooting
61
Is the power-and-cooling module DC Voltage/Fan
Fault/Service Required LED amber?
Is the drive enclosure back panel OK LED off?
Answer
Possible Reasons
Actions
No
System functioning properly.
No action required.
Yes
The power supply unit or a fan
is operating at an unacceptable
voltage/RPM level, or has
failed.
When isolating faults in the power-
and-cooling module, remember that
the fans in both modules receive
power through a common bus on the
midplane, so if a power supply unit
fails, the fans continue to operate
normally.
•
Check that the power-and-cooling
supply FRU is firmly locked into
position.
•
Check that the AC cord is
connected to a power source.
•
Check that the AC cord is
connected to the power-and-
cooling module.
Answer
Possible Reasons
Actions
No
System functioning properly
No action required
Yes
•
The expansion module is not
powered on.
•
The controller module has
failed.
•
Check that the drive is fully
inserted and latched in place,
•
Check that the enclosure is
powered on.
•
Check that the AC cord is
connected to a power source.
•
Check the event log for specific
information regarding the failure.