Dell PowerEdge E31S Series Посібник користувача - Сторінка 13

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Figure 6. AC PSU status indicator

AC PSU status indicator/handle

Table 6. AC PSU status indicators

Convention

Power indicator

pattern

Green

Flashing green

Flashing green and

turns off

Flashing amber

Not lit

Condition

A valid power source is connected to the PSU and the PSU is operational.

When the firmware of the PSU is being updated, the PSU handle flashes green.

When hot-adding a PSU, the PSU handle flashes green five times at 4 Hz rate and turns

off. This indicates a PSU mismatch with respect to efficiency, feature set, health status,

and supported voltage.

NOTE:

Ensure that both the PSUs are of the same capacity.

CAUTION:

For AC PSUs, use only PSUs with the Extended Power Performance

(EPP) label on the back.

Indicates a problem with the PSU.

CAUTION:

When correcting a PSU mismatch, replace only the PSU with the

flashing indicator. Swapping the PSU to make a matched pair can result in an

error condition and unexpected appliance shutdown. To change from a high

output configuration to a low output configuration or vice versa, you must turn

off the appliance.

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.

Power is not connected.

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