Step 1520-9
Note: Either the processor card, system board, or the power supplies may be
defective.
To test each FRU, exchange the FRUs that have not already been exchanged in the
following order:
v Power supply 1.
v Power supply 2.
v Power supply 3 (if installed).
v Power backplane.
v Processor board
1. Turn off the power.
2. Unplug the power cables from the system.
3. Exchange one of the FRUs in the list.
4. Connect the power cables to the system.
5. Turn on the power.
Does the power LED on the operator panel come on and stay on?
NO Repeat these steps until all the parts have been installed or connected.
If the symptom did not change and all the parts have been installed or
connected, call service support for assistance.
If the symptom has changed, check for loose cards, cables, and obvious
problems. If you do not find a problem, return to “Step 1520-1” on page 54 in
this MAP and follow the instructions for the new symptom.
YES Repeat these steps until all the parts have been installed or connected.
Go to ″MAP 0410: Repair Checkout″ in the
RS/6000
Eserver
pSeries
Diagnostic Information for Multiple Bus Systems
.
58 Service Guide
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