Step 1520-2
1. Turn off the power.
2. Unplug the power cables from the power outlet.
3. Unplug the power cables from the system.
4. Check that the power cables have continuity.
5. Check that the power outlet has been wired correctly with the correct voltage.
Did you find a problem?
NO
YES
Step 1520-3
1. Find all the cables connecting the power backplane to the system. Unplug these
cables from the system, but leave them attached to the power backplane.
2. Connect the power cables from the system unit to the power outlets.
Do the ac LEDs on the power supplies come on within 30 seconds after applying
ac power?
NO
YES
Step 1520-4
1. Unplug the power cord from the system unit.
2. Unplug all the cables from the power backplane.
3. Connect the power cables to the system unit.
Do the ac LEDs on the power supplies come on within 30 seconds after applying
ac power?
NO
YES
Go to "Step 1520-3".
Correct the problem. Go to "MAP 0410: Repair Checkout" in the RS/6000
Eserver pSeries Diagnostic Information for Multiple Bus Systems .
Go to "Step 1520-4".
Go to "Step 1520-7" on page 57.
Go to "Step 1520-6" on page 56.
Go to "Step 1520-5" on page 56.
Chapter 3. Maintenance Analysis Procedures (MAPs)
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