Dell PowerEdge R840 EMC Technical Specifications - Page 32

Power indicator codes Condition from a High Output configuration to a Low Output configuration or conversely, you must turn off the system. CAUTION: If two PSUs are used, they must be of the same type and have the same maximum output power. CAUTION: Combining AC and DC PSUs is not supported and triggers a mismatch. Drive indicator codes The LEDs on the drive carrier indicates the state of each drive. Each drive carrier in your system has two LEDs: an activity LED (green) and a status LED (bicolor, green/amber). The activity LED flashes whenever the drive is accessed. Figure 25. Drive indicators on the drive and the mid drive tray backplane 1. Drive activity LED indicator 2. Drive status LED indicator 3. Drive capacity label NOTE: If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not turn on. Table 30. Drive indicator codes Drive status indicator code Flashes green twice per second Off Flashes green, amber, and then turns off Flashes amber four times per second Flashes green slowly Solid green Flashes green for three seconds, amber for three seconds, and then turns off after six seconds Condition Identifying drive or preparing for removal. Drive ready for removal. NOTE: The drive status indicator remains off until all drives are initialized after the system is turned on. Drives are not ready for removal during this time. Predicted drive failure. Drive failed. Drive rebuilding. Drive online. Rebuild stopped. 32 System diagnostics and indicator codes