Step 1520-4
1. Turn the power off.
2. Unplug the system unit power cable from the wall outlet.
3. Record the slot numbers of all the ISA and PCI adapters. Label and record the
location of any cables attached to the adapters. Remove all the adapters.
4. Remove all installed memory cards.
5. Remove the CPU card(s).
6. Unplug the power cables from all the SCSI devices.
7. Unplug all the fans, except the fan in the power supply.
8. Connect the system unit power cable to the wall outlet.
9. Turn the power on.
Does the fan in the power supply turn on and the power LED come on and stay
on?
NO Replace the I/O planar. Go to "MAP 410: Repair Checkout" in the
IBM
RS/6000 Diagnostic Information for Multiple Bus Systems
.
YES Go to “Step 1520-5” on page 2-16.
Chapter 2. Maintenance Analysis Procedures 2-15
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