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Power supply indicator lights

  • Published on Sep 2, 2026
  • 1 minute(s) read
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Each installed power supply module has indicator lights at the back panel to show the power supply status.

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Callout

LED Color

LED State

Power supply unit status

1 — AC

Green Off

Solid

Input power ON and OK

Blink (flash)

No AC power to the particular power supply unit

Off

No AC power to both power supply units

2 — DC

Green

Solid

Output power ON and OK, AC LEDs remain green

Off

Off

No DC power to power supply

3 — !

Amber

Solid

Power supply failure

Blink (flash)

Power supply warning

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