Problem Determination When Unable to Load Diagnostics

Use this procedure to obtain an error code. The service organization uses the code to determine which field replaceable units (FRUs) are needed to restore system to correct operation.

Step 1. Considerations before Running This Procedure

ŸThe diagnostics can use a display connected to the video port or an ASCII

terminal attached to serial port 1.

ŸGo to “Step 2.”

Step 2

Are the Online Diagnostics installed on this system?

NOGo to “Step 4.”

YES Go to “Step 3.”

Chapter 8. Hardware Problem Determination8-11

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IBM B50 manual Problem Determination When Unable to Load Diagnostics, Considerations before Running This Procedure