4–14 Technical Reference Guide
Troubleshooting
Troubleshooting the Power Supply
Before replacing the power supply, you can use the Built-In Self-Test (BIST) feature to find out if
the power supply still works.
To test the power supply:
1. Disconnect all internal power supply cables.
2. Plug the power supply plug into a working electrical wall outlet.
3. On the rear panel of the workstation, look through the ventilation holes above the power cord
connector for a green LED light. If the light is visible, the power supply is functional.
Refer to Chapter 1, in the “Rear Panel” section, for a picture showing where the LED is
displayed.