IBM pSeries 670 Service Manual page 217

Step 152f-31
Have all the books listed in "Step 152f-24" on page 196 been reinserted?
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 152f-28" on page 196.
Step 152f-32
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 152f-33
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 152f-34".
No Call for support.
Step 152f-34
Replace the books in the following list, if present, one at a time and in the order listed:
v Primary I/O book, at location U1.18-P1-H2
v DCA 1-RH, at location U1.18-P1-V1
v DCA 2-RH, at location U1.18-P1-V2
v DCA 3-RH, at location U1.18-P1-V4
v DCA 4-RH, at location U1.18-P1-V5
v DCA 5-RH, at location U1.18-P1-V6
v DCA 6-RH, at location U1.18-P1-V8
Step 152f-35
Turn on the power.
Step 152f-36
Did the system stop with the same error code as recorded in "Step 152f-1" on page 193?
Yes Go to "Step 152f-37".
No The book 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.
Step 152f-37
Turn off the power.
Make sure all amber logic-power LEDs of all installed processor subsystem DCAs are off.
Step 152f-38
Remove the new book that was just installed in "Step 152f-34" and reinstall the original book.
Step 152f-39
Have all the books listed in "Step 152f-34" been replaced with new or original books?
Yes Go to "Step 152f-40" on page 198.
No Go to "Step 152f-34".
Chapter 3. Maintenance Analysis Procedures
197