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Power Supply LEDs

Table 16 describes the LEDs on both AC and DC power supplies.

Table 16: States for Power Supply LEDs

Label

Color

State

Description

OK

Green

On steadily

Power supply is functioning normally, input is occurring, outputs are within range, temperature is within range, and fans are operational.

FAULT

Amber

On steadily

Power supply has failed.

In addition, when one or both of the power supplies is operating outside the acceptable voltage range, the red alarm LED lights on the craft interface, and the red alarm relay contact on the craft interface is activated.

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