HP Surestore Disk Array 12h - And FC60 Service Manual page 568

Symptom
Fault-A or Fault-B LED
is on
Full Charge-A or Full
Charge-B LED is off
Full Charge-A and Full
Charge-B LEDs are
flashing
"Battery Low" error
issued by software
BBU
New will not hold
a charge
Loss of battery backup
during a power outage
568
Possible Cause
A Left or right battery bank
has failed.
A Left or right battery bank
is not yet fully charged.
A Batteries are charging
A Power turned off for
extended period and
drained battery power.
B Batteries are weak and
BBU is due for
replacement.
A Battery charger board
failure
B Faulty battery harness
A Battery failure.
Procedure
BBU
– Replace the .
– Turn on the power and allow controller
module to operate for 7 hours to
recharge the batteries.
– If after 7 hours, the battery low error
BBU
persists, replace the
– The batteries should fully charge in 7
hours. If the BBU is not fully charged in 7
hours, replace the BBU.
– Turn on the power and allow controller
module to operate for 7 hours to
recharge the batteries.
– If after 7 hours, the battery low error
BBU
persists, replace the
– Check the last service date for the
– Operation in an environment with
elevated temperature (above 35
F) may reduce the life expectancy of the
BBU to as low as 6 months.
BBU
– Replace the .
– Allow the system to operate for at least 7
hours in order to properly charge the
batteries. If this does not solve the
problem, go to cause B.
– Replace both power supplies.
– Replace the battery harness.
– Replace the BBU.
.
.
BBU
.
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