HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 279

Troubleshooting Table 37 Master Troubleshooting Controller Enclosure Master Troubleshooting Table (cont'd) Symptom Possible Cause Procedure "Battery Low" error issued by software Power turned OFF for extended period and drained battery power. Turn ON the power and allow controller module to run 7 hours to recharge the batteries. If after 7 hours, the battery low error persists, replace the BBU. Batteries are weak and FRU 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. BBU is new but will not Battery charger board hold a charge failure Replace the BBU. Allow the system to run for at least 7 hours in order to properly charge the batteries. If this does not solve the problem, go to cause B. Faulty battery harness Replace both power supplies. Replace the battery harness. Loss of battery backup Battery failure or BBU is during a power outage missing. Replace the BBU. Power Supply Module No power to the controller module (all Power LEDs off) Power switches are turned off. Turn ON both power switches on the controller enclosure. Turn ON the main circuit breakers in the rack, if applicable. Power cords unplugged. Make sure all power cords are plugged in securely. Power supply modules overheated or failed. Lower the room temperature if it is too high, unblock enclosure vents if they are obstructed, replace any failed fans in the enclosure, or replace the power supply module. One Power Supply LED A Power supply module is Plug in the power cord and turn ON the (FRU) is ON and the turned OFF or power switch. If the LED remains off, go to other is off unplugged. cause B. B Power supply module is overheated or failed. Lower the room temperature if it is too high, unblock enclosure vents if they are obstructed, replace any failed fans in the enclosure, or replace the power supply module. Controller Enclosure Troubleshooting 279