2-1540-12
Installation and Service Guide
Step 10
(from Step 9)
1. Set the power switch on the system unit to Off.
2. Connect the serial port extender cable P16 to the system planar.
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 3.5-inch diskette drive in-use light is on and
c05
or
c07
is displayed in the
three-digit display.
•
The system stops and
c31
is displayed in the three-digit display.
•
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 the three-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
c07
or
c31
displayed in the three-digit display or is the three-digit display blank?
NO
Exchange the serial port extender cable. Go to “Map 0410: Repair
Checkout” in the
POWERstation and POWERserver Common Diagnostics
and Service Guide.
YES
Go to Step 11.