Use this information to solve power problems.
Power problems can be difficult to solve. For example, a short circuit can exist anywhere on any of the power distribution buses. Usually, a short circuit will cause the power subsystem to shut down because of an overcurrent condition. To diagnose a power problem, use the following general procedure:
If the server does not start from the minimum configuration, see Power-supply LEDs to replace the components in the minimum configuration one at a time until the problem is isolated.