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Power supply indicator light

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

LED Color

LED State

Power supply unit status

Green

Solid

Input power ON and OK

Green

Blinking

Only 12 Vsb PSU or PSU is in cold redundant state

Amber

Solid

Power has failed

Amber

Blinking

Power supply warning because of:

  • High temperature

  • High current

  • Slow fan

  • High power

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