b. Disconnect all of the disk units and removable media devices by pulling
them out of the enclosure about one inch.
c. Power on the system.
Is the SRC 1xxx 1200 displayed?
Yes No
↓ Go to step 12.
8. Perform the following:
a. Power off the system.
b. Remove the only bulk power supply installed.
c. Install one of the other bulk power supplies that was removed in step 10.
d. Power on the system.
Is the SRC 1xxx 1200 displayed?
Yes No
↓ The bulk power supply just removed in this step is the failing item.
This ends the procedure.
9. Perform the following:
a. Remove regulator R3.
b. Power on the system.
Is the SRC 1xxx 1200 displayed?
Yes No
↓ Regulator R3 is the failing item.
This ends the procedure.
10. Perform the following:
a. Power off the system.
b. Exchange the SPCN card (see symbolic FRU “BKSPCN” on page 506).
c. Power on the system.
Is the SRC 1xxx 1200 displayed?
Yes No
↓ The SPCN card exchanged in this step was the failing item.
This ends the procedure.
11. Replace the BACKPLN.
This ends the procedure.
12. Perform the following:
a. Power off the system.
b. Install one of the bulk power supplies that was removed in step 7 on
page 509 of this procedure.
c. Power on the system.
Is the SRC 1xxx 1200 displayed?
No Yes
↓ The power supply you installed in this step is the failing item.
This ends the procedure.
Symbolic FRUs
510
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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