Dell EMC XC Core XC750xa Installation And Service Manual

Table 46. DC PSU status indicator codes (continued)Power indicator codes ConditionOutput configuration or conversely, you must poweroff the system.CAUTION: Combining AC and DC PSUs is notsupported.Drive indicator codesThe LEDs on the drive carrier indicates the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and astatus LED (bicolor, green/amber). The activity LED blinks whenever the drive is accessed.Figure 146. Drive indicators on the drive and the mid drive tray backplane1. Drive activity LED indicator2. Drive status LED indicator3. Drive capacity labelNOTE: If the drive is in the Advanced Host Controller Interface (AHCI) mode, the status LED indicator does not power on.NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.Table 47. Drive indicator codesDrive status indicator code ConditionBlinks green twice per second Indicates that the drive is being identified or preparing for removal.Off Indicates that the drive is ready for removal.NOTE: The drive status indicator remains off until all drives areinitialized after the system is powered on. Drives are not readyfor removal during this time.Blinks green, amber, and then powers off Indicates that there is an expected drive failure.Blinks amber four times per second Indicates that the drive has failed.Blinks green slowly Indicates that the drive is rebuilding.Solid green Indicates that the drive is online.Blinks green for three seconds, amber for three seconds,and then powers off after six secondsIndicates that the rebuild has stopped.System diagnostics and indicator codes 139