HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 278

Table 37 Master Troubleshooting Controller Enclosure Master Troubleshooting Table (cont'd) Symptom Possible Cause Procedure Controller Fan Module Fan Fault LED is on One or both of the fans in the controller fan module has failed. The power supply fan module is unplugged or has failed. Replace the controller fan module. 1. Make sure the power supply fan module is plugged in correctly. Reseat the module if necessary. 2. Check the LEDs on the power supply fan module. If the Power LED is off or the Fan Fault LED is on, replace the power supply fan module. No LEDs ON If the Power LED is on and the Fan Fault LED is off, the problem may be caused by the controller fan module. The temperature sensor in the controller fan module has detected an over temperature condition. Even if the fans in the controller module are operating, an obstructed air flow path or a high ambient temperature can cause the temperature within the enclosure to rise. Determine what is causing the temperature problem and correct it. Controller fan module is unplugged or has failed. 1. Make sure the controller fan module is plugged in correctly. Reseat the module if necessary. Battery 2. If the Power LED remains off, replace the controller power module. Fault-A or Fault-B LED Left or right battery bank Replace the BBU. (BBU) is on has failed. Full Charge-A or Full Charge-B LED (BBU) is off Left or right battery bank is not yet fully charged. 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. 278 Controller Enclosure Troubleshooting