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Dell PowerEdge T30 Owner's Manual

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Power indicator codes for power supply unit

To perform a quick health check on the non-redundant power supply unit (PSU) of the system, press the self-diagnostic button.

Figure 1. PSU status indicator and self-diagnostic button
The figure shows the PSU status indicator and self-diagnostic button.
  1. self-diagnostic button
  2. PSU status indicator
Table 1. PSU status indicatorsThis table describes the PSU status indicators and what condition is the PSU when the power indicator light is green and when it is not lit.
Power indicator patternCondition
GreenA valid power source is connected to the PSU and the PSU is operational.
Not litPower is not connected.

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