HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 263

Troubleshooting Note Use proper facilities to recycle the used BBUs. The BBU contains lead acid batteries that may be considered a hazardous material. You must handle this unit in accordance with all applicable local and federal regulations. CAUTION The BBU is a sealed unit. There are no user-serviceable parts inside. When 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 Possible Cause Procedure Fault-A or Fault-B LED A Left or right battery bank - Replace the BBU. is on has failed. Full Charge-A or Full Charge-B LED is off A Left or right battery bank is not yet fully charged. - 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 persists, replace the BBU. Full Charge-A and Full A Batteries are charging Charge-B LEDs are flashing - The batteries should fully charge in 7 hours. If the BBU is not fully charged in 7 hours, replace the BBU. "Battery Low" error issued by software A Power turned off for extended period and drained battery power. - 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 persists, replace the BBU. B Batteries are weak and BBU is due for replacement. - Check the last service date for the BBU. If it has been two years since the battery was replaced, replace the BBU. - Operation in an environment with elevated temperature (above 35º C or 95º F) may reduce the life expectancy of the BBU to as low as 6 months. Controller Enclosure Troubleshooting 263