Lenovo TD100X manual Power-supply LEDs

2.Check the front and rear of the server to determine whether any component LEDs are lit.

3.Remove the server cover and look inside the server for lit LEDs. Certain components inside the server have LEDs that will be lit to indicate the location of a problem. For example, a DIMM error will light the LED next to the failing DIMM on the system board.

Look at the system service label on the top of the server, which gives an overview of internal components. This information can often provide enough information to correct the error.

Power-supply LEDs

The following minimum configuration is required for the server to start:

vOne microprocessor

vTwo 512 MB DIMMs

vOne power supply

vPower backplane

vPower cord

vServeRAID SAS adapter

vSystem board assembly

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 5. Diagnostics 187