Dell PowerEdge 6650 - Manual (Page 19)

Back-Panel Indicators and Features
Figure 1 -4 shows the back-panel indicators and features of the system.
Figure 1-4. Back-Panel Features
Power-Supply Indicator Codes
Each hot-pluggable power supply has indicators that provide information on the presence of power, and power status and faults. Figure 1 -5 shows the
location of the indicators. Table 1 -3 lists the conditions for each indicator.
Figure 1-5. Power-Supply Indicators
Indicator Indicator Code
Drive bay empty, ready for insertion or removal Off
Drive being prepared for operation, drive online Steady green
Identify drive Blinks green four times per second
Drive being prepared for removal Blinks green twice per second at equal intervals
Drive rebuilding Blinks green twice per second at unequal intervals
Drive failed Blinks amber four times per second
Predicted failure for the drive Blinks green, then amber, and then off, repeating this sequence every two seconds
NOTE: The drive-busy indicator signifies whether the hard drive is active on the SCSI bus. This indicator is controlled by the hard drive.
NOTE: The back-panel system status indicator has the same functionality as the status indicator. When the system is operating normally, the back-
panel indicator is blue. When the system needs attention, the amber indicator blinks.