Maintenance Analysis Procedures 2-1540-13
Step 11(from Steps 9 and 10)
1. Set the power switch on the system unit to Off.
2. Connect the cables that were plugged into connectors S1, S2, P, K, T, and M on the rear
of the system unit.
3. Insert the first diagnostic diskette into the diskette drive.
4. Set the power switch on the system unit to On.
5. Wait for one of the following conditions to occur:
•The DIAGNOSTIC OPERATING INSTRUCTIONS screen is displayed.
•The system stops and c31 is displayed in the three-digit display.
•The 3.5-inch diskette drive in-use light is on and c07 is displayed in the three-digit
display. Insert the next diagnostic diskette. Continue this substep until all diskettes are
loaded, c31 is displayed in the three-digit display, or the DIAGNOSTICS OPERATING
INSTRUCTIONS screen is displayed.
•The system stops for at least three minutes and a constant number, character, or
symbol other than c31 is displayed in the three-digit display and the power light is on.
•The system stops and two or more numbers with values between 221 and 296 are
displayed alternately in thethree-digit display.
•The system stops and a flashing 888 is displayed in the three-digit display.
•The power light does not come on, or the power light comes on but does not stay on.
Is the DIAGNOSTIC OPERATING INSTRUCTIONS screen displayed or is c31
displayed in the three-digit display?
NO Go to the Problem Determination procedures (test procedures) for the
devices attached to the SIO ports and test those devices. If a problem is
found, follow the procedures for correcting the problem on that device.
YES Go to Step 12.