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Table 13. AC PSU status indicator codes
Power indicator codes
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 91. 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 14. Drive indicator codes (continued)
Drive status indicator code
Flashes green twice per second
Off
Condition
CAUTION:
If two PSUs are installed, both the PSUs must have the same type of label;
for example, Extended Power Performance (EPP) label. Mixing PSUs from previous
generations of PowerEdge servers is not supported, even if the PSUs have the same
power rating. This results in a PSU mismatch condition or failure to power on the
system.
CAUTION:
When correcting a PSU mismatch, replace only the PSU with the blinking
indicator. Swapping the PSU to make a matched pair can result in an error condition
and unexpected system shutdown. To change from a high output configuration to a
low output configuration or vice versa, you must power off the system.
CAUTION:
AC PSUs support both 240 V and 120 V input voltages with the exception of
Titanium PSUs, which support only 240 V. When two identical PSUs receive different
input voltages, they can output different wattages, and trigger a mismatch.
CAUTION:
If two PSUs are used, they must be of the same type and have the same
maximum output power.
Condition
Identifying drive or preparing for removal.
Drive ready for removal.
System diagnostics and indicator codes
93
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