IBM pSeries 690 Service Manual page 247

Step 152c-47
Turn on the power.
Step 152c-48
Did the system stop with the same error code as recorded in "Step 152c-1" on page 225?
Yes The module just replaced was defective. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
No Go to "Step 152c-49."
Step 152c-49
Have all the modules listed in "Step 152c-42" on page 230 been reinstalled?
Yes The symptom has changed. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
No Go to "Step 152c-45" on page 230.
Step 152c-50
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 152c-51
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 152c-52."
No Call for support.
Step 152c-52
Attention: Before replacing the system backplane, call for support.
Replace the system backplane, at location U1.18-P1.
Step 152c-53
Turn on the power.
Step 152c-54
Did the system stop with the same error code as recorded in "Step 152c-1" on page 225?
Yes Go to "Step 152c-55" on page 232.
No The system backplane was defective. This ends the procedure.
Return the system to its original configuration.
Go to "MAP 0410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostic Information
for Multiple Bus Systems.
Chapter 3. Maintenance Analysis Procedures
231