Power-supply leds – Lenovo THINKSERVER 3821 User Manual
Page 147
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Power-supply LEDs
The following illustration shows the power-supply LEDs on the rear of the server.
For more information about solving power-supply problems, see “Solving power
problems” on page 123.
1
ac power LED
2
dc power LED
3
Power error LED
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs and the power-on LED on the operator
information panel and suggested actions to correct the detected problems.
Chapter 6. Locating Server Controls and connectors
139
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