a. Power off the system.
b. Reinstall one of the Mxx load cards that was removed in step 18 on
page 532 of this procedure.
c. Power on the system.
Does the system power on?
Yes No
↓ The last card that was reinstalled in this step is the failing item.
This ends the procedure.
20. Have all the Mxx load cards been reinstalled?
Yes No
↓ Go to step 19 on page 532 of this procedure.
21. This ends the procedure.
22. Is the SRC=1XXX 1206 or 1406?
Yes No
↓ Go to step 30 on page 534 of this procedure.
23. Perform the following:
a. Remove load cards Mxx in table below for application. The possible failing
loads are:
Model Load Position
840/SB3 M06,M16 --Processor P2,P3
b. Power on the system.
Does the system power on?
Yes No
↓ Go to step 30 on page 534 of this procedure.
24. Perform the following:
a. Power off the system.
b. Reinstall one of the Mxx load cards that was removed in step 23 of this
procedure.
c. Power on the system.
Does the system power on?
Yes No
↓ The last card that was reinstalled in step 23 of this procedure is the
failing item.
This ends the procedure.
25. Have all the Mxx load cards been reinstalled?
Yes No
↓ Go to step 24 of this procedure.
26. This ends the procedure.
27. Is the SRC=1XXX 1207 or 1407?
Yes No
↓ Go to “Starting Point for All Problems” on page 4.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 533