IBM i 830 Repair Manual page 404

Power PIPs
390
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
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Exchange the power supply P02 that you reconnected in this step.
This ends the procedure.
4. Exchange power supply P03.
This ends the procedure.
5. Perform the following:
a. Power off the frame that you are working on. (Frames with 5078/0578
attached – trace and remove the lower frame power supply AC jumper
cables at the AC input/battery charger, or at the AC modules on dual line
cord frames.)
b. Remove power supply P01.
c. Reconnect power supply P02 or P03, if they are installed.
d. Power on the system or frame that you are working on. (Frames with FC
5078/0578 attached – reconnect the lower frame power supply AC jumper
cables at the AC input/battery charger, or at the AC modules on dual line
cord frames.)
Does a power reference code occur?
Yes No
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Exchange power supply P01.
This ends the procedure.
6. Perform the following:
a. Remove one of the AMDs from the system that was not previously
removed during this procedure. (Disregard an AMD SRC if it occurs
during this step.)
b. Power on the system or frame that you are working on. (Frames with FC
5078/0578 attached – reconnect the lower frame power supply AC jumper
cables at the AC input/battery charger, or at the AC modules on dual line
cord frames.)
Does a power reference code occur?
Yes No
↓
The AMD that you removed in this step is the failing item.
This ends the procedure.
7. Have you removed all of the AMDs one at a time?
No Yes
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Install all of the AMDs and continue with step 9 of this procedure.
8. Perform the following:
a. Power off the frame that you are working on. (Frames with FC 5078/0578
attached – trace and remove the lower frame power supply AC jumper
cables at the AC input/battery charger, or at the AC modules on dual line
cord frames.)
b. Install the AMD that was removed in step 6 in the original location.
c. Go to step 6 of this procedure.
9. Perform the following:
a. Remove the power cable from one of the lower DASD backplanes that was
not previously removed.