IBM pSeries 630 6C4 Service Manual page 131

Do the following as you exchange each of the above FRUs in the order listed:
1. Turn off the power.
2. Unplug the power cable from the system unit.
3. Exchange one of the FRUs in the list.
4. Connect the power cable to the system unit.
5. Turn on the power.
Does the power LED on the operator panel come on and stay on?
NO Reinstall the original FRU.
Repeat this step until the defective FRU is identified or all the FRUs have been exchanged.
If the symptom did not change and all the FRUs have been exchanged, call service support for
assistance.
Go to "MAP 0410: Repair Checkout" in the RS/6000 Eserver pSeries Diagnostic Information for
YES
Multiple Bus Systems.
Step 1521-10
One of the parts that was removed or unplugged is causing the problem. Install or connect the parts in the
following order:
1. Memory DIMMs on processor card #1
2. Processor card #2 (if removed)
3. DASD backplane
4. Disk drives
5. Media bay devices
6. PCI adapters, lowest slot to highest slot
7. Fans
Turn on the power after each part is installed or connected. If the system does not power on or the power
LED located on the operator panel does not stay on, the most recently installed or connected part is
causing the failure.
Do the following as you exchange each of the above FRUs in the order listed:
1. Turn off the power.
2. Unplug the power cable from the system unit.
3. Install or connect one of the parts in the list.
4. Plug the power cable into the system unit.
5. Turn on the power.
Does the power LED on the operator panel come on and stay on?
NO Replace the last part installed.
v If memory DIMMs on the first processor card were the last parts installed, exchange the
memory DIMMs one at a time to isolate the failing module. If all memory DIMMs have been
exchanged and the problem is not resolved, replace the processor card.
v If the second processor card was just installed, exchange the memory DIMMs one at a time to
isolate a possible failing module. If all modules have been exchanged and the problem is not,
resolved replace the processor card.
Repeat these steps until all the parts have been installed. Go to "Step 1521-11" on page 112.
Go to "MAP 0410: Repair Checkout" in the RS/6000 Eserver pSeries Diagnostic Information for
YES
Multiple Bus Systems.
Chapter 3. Maintenance Analysis Procedures (MAPs)
111