HP SureStore E Disk System HVD10 User and Service Guide - A5616-90901

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Isolating Faults
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Problem
Description
LED
State Probable Cause/Solution
Disk system
fails to power
on when
installed
System power
LED and
power supply
LED are off
– Power cord is not plugged in.
– The power button is not pressed.
– AC breaker is tripped or AC power source has failed.
– The PDU/PDRU is defective. Replace.
– Power supply is faulty. Replace.
System power
LED is off;
power supply
LED is amber
A faulty component is causing power supplies to turn off. Remove
all components and reinsert one at a time, starting with the power
supplies, until the faulty component is isolated.
Alarm sounds
at startup
System fault
LED and BCC
fault LED flash
– An incompatible BCC is installed in the second slot.
– DIP switch settings on secondary BCC are incompatible with
the primary BCC.
System fault
LED is on
Power supply
LED is off
– A redundant power supply is present but not connected to AC.
– The PDU/PDRU or primary power source for the (redundant)
power supply has failed.
Fan LED is
amber
Fan has slowed or stopped. If the fan is not redundant, shut down
the disk system. Replace fan.
Power supply
LED is amber
– Power supply hardware is faulty. If the power supply is not
redundant, shut down the disk system. Replace power supply.
– An incompatible or defective component caused a temporary
fault. Unplug the power cord and wait for the LED to turn off.
Reinsert the power cord. If the fault persists, replace the power
supply.