Dell PowerEdge XE2420 EMC Technical Specifications - Page 28

Drive indicator codes

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Table 39. DC PSU status indicator codes (continued) Power indicator codes Blinking amber Not powered on Blinking green Condition Indicates an issue with the PSU. Indicates that the power is not connected to the PSU. When hot-plugging a PSU, it blinks green five times at a rate of 4 Hz and powers off. This indicates a PSU mismatch due to efficiency, feature set, health status, or supported voltage. 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: If two PSUs are used, they must be of the same type and have the same maximum output power. CAUTION: When correcting a PSU mismatch, replace the PSU with the blinking indicator. Swapping the PSU to make a matched pair can result in an error condition and an unexpected system shutdown. To change from a High Output configuration to a Low Output configuration or conversely, you must power off the system. CAUTION: Combining AC and DC PSUs is not supported. Drive indicator codes The LEDs on the drive carrier indicates the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and a status LED (bicolor, green/amber). The activity LED blinks whenever the drive is accessed. Figure 10. Drive indicators 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 power on. NOTE: Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used. Table 40. Drive indicator codes Drive status indicator code Blinks green twice per second Condition Indicates that the drive is being identified or preparing for removal. 28 System diagnostics and indicator codes

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Table 39. DC PSU status indicator codes (continued)
Power indicator codes
Condition
Blinking amber
Indicates an issue with the PSU.
Not powered on
Indicates that the power is not connected to the PSU.
Blinking green
When hot-plugging a PSU, it blinks green five times at a rate of 4
Hz and powers off. This indicates a PSU mismatch due to
efficiency, feature set, health status, or supported voltage.
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:
If two PSUs are used, they must be of the
same type and have the same maximum output power.
CAUTION:
When correcting a PSU mismatch, replace
the PSU with the blinking indicator. Swapping the PSU
to make a matched pair can result in an error condition
and an unexpected system shutdown. To change from a
High Output configuration to a Low Output
configuration or conversely, you must power off the
system.
CAUTION:
Combining AC and DC PSUs is not supported.
Drive indicator codes
The LEDs on the drive carrier indicates the state of each drive. Each drive carrier has two LEDs: an activity LED (green) and a status LED
(bicolor, green/amber). The activity LED blinks whenever the drive is accessed.
Figure 10. Drive indicators
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 power
on.
NOTE:
Drive status indicator behavior is managed by Storage Spaces Direct. Not all drive status indicators may be used.
Table 40. Drive indicator codes
Drive status indicator code
Condition
Blinks green twice per second
Indicates that the drive is being identified or preparing for removal.
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System diagnostics and indicator codes