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Power supply indicator lights

Published on Sep 2, 2026

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Each installed power supply module has indicator lights at the back panel to show the power supply status.

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
2 — DC	Off	Off	No DC power to power supply
3 — !	Amber	Solid	Power supply failure
3 — !	Amber	Blink (flash)	Power supply warning

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