v All Processors (See symbolic FRU "CCIN" on page 515 for the
correct part.)
This ends the procedure.
8. Is the SRC 1xxx 840A?
No
Yes
↓
Exchange the following part:
For Models 840, and SB3:
a. ACMODUL (See symbolic FRU "ACMODUL" on page 495 for the
correct part.)
b. TWRCARD (See symbolic FRU "TWRCARD" on page 601 for the
correct part.)
For Models 830, and SB2:
a. CLCKCRD (See symbolic FRU "CLCKCRD" on page 522 for the
correct part.)
b. TWRCARD (See symbolic FRU "TWRCARD" on page 601 for the
correct part.)
This ends the procedure.
9. Is the SRC 1xxx 840B?
Yes
No
↓
Go to step 18 on page 612 of this procedure.
10. Perform the following:
a. Power off the system.
b. Remove all processor and memory cards from the system.
c. Power on the system.
Does the SRC 1xxx 840B appear on the panel?
Yes
No
↓
Go to step 15 on page 612 of this procedure.
11. Perform the following:
a. Power off the system.
b. Exchange the Clock card in the system unit.
c. Power on the system.
Does the SRC 1xxx 840B appear on the panel?
Yes
No
↓
The Clock card you replaced in this step is the failing item.
This ends the procedure.
12. Perform the following:
a. Power off the system.
b. Exchange the control panel in the system unit.
c. Power on the system.
Does the SRC 1xxx 840B appear on the panel?
Yes
No
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
Symbolic FRUs
611