HP Surestore Disk Array 12h - And FC60 Service Manual page 263

Use proper facilities to recycle the used BBUs. The BBU contains lead acid
Note
batteries that may be considered a hazardous material. You must handle this
unit in accordance with all applicable local and federal regulations.
The BBU is a sealed unit. There are no user-serviceable parts inside. When
C
AUTION
servicing the BBU, replace the entire BBU, not individual batteries or parts.
Opening the BBU will void your warranty.
Troubleshooting
Table 35
Troubleshooting BBU Problems
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
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.
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
If it has been two years since the battery
was replaced, replace 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.
Controller Enclosure Troubleshooting
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BBU
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BBU
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