HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 283

Troubleshooting Table 38 Disk Enclosure LED Functions (cont'd) LED State Indication BCC Fault Amber Self-test1 / Fault OFF Normal operation Flashing Peer BCC DIP switch settings do not match LVD Green Bus operating in LVD mode OFF Bus operating in single-ended mode Term. Pwr. Green Termination power is available from the host. Normal operation. OFF There is no termination power. Full Bus Green Disks are on a single bus of ten addresses. OFF Disks are split between two buses, five addresses each Bus Active Green Bus is available for use. OFF Isolator chip is disabled and bus is not available. Fan Green Normal operation Amber Startup1 / Fault OFF Power is off Power Supply Green Normal operation Amber Startup1 / Fault OFF Power is off Disk Fault OFF Disk is operating normally. Amber A fault has occurred with the disk. Flashing Used to identify a disk using the software management tools. Disk Activity3 Flashing Indicates that the disk is being accessed by the disk array. 1 Startup and self-tests occur briefly when the unit is powered ON. 2 A component has failed; temperature or voltage is out of normal range. See "Isolating Causes" on page 284 3 When a disk is installed with power on, its activity LED stays ON until the disk has spun up. When the disk is ready, the LED turns off. Thereafter, it flashes when there is I/O to the disk. SureStore E Disk System SC10 Troubleshooting 283