Step 1520-1
You may be directed to this MAP for several reasons:
1. There is no indication of activity when the start/stop switch is pressed. None of
the LEDs light and none of the fans, including the fan in the power supply, start
to turn.
Go to “Step 1520-2.”
2. When the start/stop switch is pressed, the system begins to power on, but the
power LED does not stay on.
Go to “Step 1520-3” on page 2-14.
Step 1520-2
1. Turn the power off.
2. Check that the external power cable to the system unit has continuity.
3. Check that the power outlet has been wired correctly with the correct voltage.
4. Check that the external power cable is plugged into both the system unit and the
power outlet.
Did you find a problem?
NO Go to “Step 1520-3” on page 2-14.
YES Correct the problem. Go to "MAP 410: Repair Checkout" in the
IBM
RS/6000 Diagnostic Information for Multiple Bus Systems
.
Chapter 2. Maintenance Analysis Procedures 2-13
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