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The following table describes the ac and dc power LEDs.
AC power LED DC power LED Description and action
On On The power supply is on and operating correctly.
On Off There is a dc power problem.
Possible causes:
1. The server is not turned on (the power LED is blinking on the front of the
server).
Action: Press the power-control button to start the server.
2. The power supply has failed.
Action: Replace the power supply.
Off Off There is an ac power problem.
Possible causes:
1. There is no ac power to the power supply.
Actions: Verify that:
v The electrical cord is properly connected to the server.
v The electrical outlet functions properly.
2. The power supply has failed.
Action: Replace the power supply.
Diagnostics 17