Undetermined Problem Pic 9860 - IBM 6150 Hardware Maintenance Manual

Undetermined Problem PIC 9860
Step 1
Use this PIC to analyze the following symptoms:
• SRA number 986.
• Diagnostic error messages displayed while running diagnostics.
• Numbers are displayed in the two-digit display after the DIAGNOSTIC
OPERATING INSTRUCTIONS menu has displayed.
• Diagnostic loops and hangs with nothing displayed in the two-digit
display.
• The keyboard will not respond while running diagnostics.
• You cannot exit or end a test.
Look at the bottom of the display.
DID THE "DIAGNOSTIC ERROR" MESSAGE DISPLAY?
YES Go to "Step 3" on page 3-9860-3.
NO Continue on the next page ..
(9/86) Problem Isolation Charts
3-9860-1