IBM iSeries Series Hardware Problem Analysis And Isolation page 183
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a.
Power off the frame that you are working on, by removing the line cords at the FC 5078, FC 0578,
FC 5088, and FC 0588 power supplies.
b.
Remove and label all cards installed in the PCI backplane area.
c.
Reconnect the ac power cable to the unit.
d.
Power on the frame by reconnecting the ac power cables to the unit that you are working on.
Did a power reference code occur?
Yes: Continue with the next step.
v
No: Go to step 8 (See page 172).
v
3. Is the SRC 1xxx 2603?
v No: Continue with the next step.
v Yes: Replace the PCI backplane (see symbolic FRU "TWRCARD" on page 470).
This ends the procedure.
4.
Perform the following:
a.
Power off the frame that you are working on, by removing the line cords at the FC 5078, FC 0578,
FC 5088, and FC 0588 power supplies.
b.
Remove power supply P01.
c.
Remove the B01 assembly from the original power supply and install it on the new power supply.
d.
Install the new power supply P01.
e.
Power on the system.
Does a power reference code occur?
Yes: Continue with the next step.
v
No: The power supply P01 that you removed in this step is the failing item.
v
This ends the procedure.
5.
Perform the following:
a.
Power off the frame that you are working on, by removing the line cords at the FC 5078, FC 0578,
FC 5088, and FC 0588 power supplies.
b.
Remove the new power supply P01 and replace it with the original power supply P01, after
switching the B01 assembly back to the original power supply.
c.
Remove power supply P02.
d.
Remove the B02 assembly from the original power supply P02 and install it on the new power
supply.
e.
Install the new power supply P02.
f.
Power on the frame by reconnecting the ac power cables to the unit that you are working on.
Does a power reference code occur?
v Yes: Continue with the next step.
v No: The power supply P02 that you removed in this step is the failing item.
This ends the procedure.
6.
Perform the following:
a.
Power off the frame that you are working on, by removing the line cords at the FC 5078, FC 0578,
FC 5088, and FC 0588 power supplies.
b.
Remove the new power supply P02 and remove the B02 assembly. Replace it with the original
P02 and a new B02 assembly.
c.
Install power supply P02.
d.
Power on the frame by reconnecting the ac power cables to the unit that you are working on.
Does a system reference code occur?
Yes: Continue with the next step.
v
Analyze hardware problems
171
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