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Dell PowerEdge T320 Systems Owner's Manual

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Power Indicator Codes For Redundant Power Supply

Each redundant AC power supply has an illuminated translucent handle to show whether power is present or whether a power fault has occurred.
Figure 1. Redundant AC Power Supply Status Indicator The figure shows the redundant AC power supply status handle.
  1. AC power supply status handle
Power Indicator Pattern
Condition
Not lit
Power is not connected.
Green
A valid power source is connected to the power supply and the power supply is operational.
Flashing amber
Indicates a problem with the power supply.
  • CAUTION: When correcting a power supply mismatch, replace only the power supply with the flashing indicator. Swapping the opposite power supply to make a matched pair can result in an error condition and unexpected system shutdown. To change from a High Output configuration to a Low Output configuration or vice versa, you must power down the system.
  • CAUTION: AC power supplies support both 220 V and 110 V input voltages. When two identical power supplies receive different input voltages, they can output different wattages, and trigger a mismatch.
  • CAUTION: If two power supplies are used, they must be of the same type and have the same maximum output power.
Flashing green
When hot-adding a power supply, this indicates that the power supply is mismatched with the other power supply (in terms of efficiency, feature set, health status, and supported voltage). Replace the power supply that has the flashing indicator with a power supply that matches the capacity of the other installed power supply.

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