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Dell Storage MD1420 Enclosures Hardware Owner's Manual

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Power indicator codes

Figure 1. Power indicator codes
This image shows power indicator codes
Item LED

Icon

Color State
1 DC power
 Green
  • ON — Normal operation. Power supply is connected to DC power and the power switch is on. The power supply module is supplying DC power to the array.
  • OFF — Indicates any one of the following:
    • The power switch is off.
    • The power supply module is not connected to power.
    • There is a fault condition.
2 Power supply module fault
Yellow
  • ON — Fault detected.
  • OFF — OK.
  • Blinks briefly when power is first turned on to the power supply module.
3 AC power
 Green
  • ON — Power supply module is connected to a source of AC power irrespective of whether or not a power switch is on.
  • OFF — Power supply module is completely disconnected from any source of AC power.

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