Lenovo 6528 - Manual (Page 41)

1 AC power LED
2 DC power LED
3 Fault LED
4 Fault LED
5 Power 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 front
information panel and suggested actions to correct the detected problems.
Chapter 4. Server controls, LEDs, and power 25