IBM pSeries 690 Service Manual page 253

Step 152d-30
Did the system stop with the same error code as recorded in "Step 152d-1" on page 233?
Yes The book just reinserted is defective. Replace it. 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 152d-31."
Step 152d-31
Have all the books listed in "Step 152d-24" on page 236 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 152d-28" on page 236.
Step 152d-32
Turn off the power.
Examine the amber logic-power LEDs of all installed processor subsystem DCAs.
Step 152d-33
Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
Yes Go to "Step 152d-34."
No Call for support.
Step 152d-34
Replace the books in the following list, if present, one at a time and in the order listed:
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 152d-35
Turn on the power.
Chapter 3. Maintenance Analysis Procedures
237