Step 5
(from Step 4)
1. Plug the CPU enclosure power cable into another outlet on the power distribution
bus.
2. Switch on power to the CPU enclosure.
Did the CPU enclosure power light come on and stay on?
NO Go to Step 6.
YES The first outlet is defective. Use the second outlet, or exchange the power
distribution bus, and then go to Step 10.
Step 6
(from Step 5)
1. Plug the power cable of another device or drawer into the same outlet.
2. Switch on power to the device or drawer.
The green light near the AC plug on the rear of some drawers indicates only that
power is reaching the drawer and not that the power supply is operating.
Did the drawer Power light come on and stay on, or are the fans operating?
NO Exchange the power distribution bus, and then go to Step 10.
YES The problem is probably located in the CPU enclosure. Go to "MAP 1520
-- Power MAP" in the service guide for the system installed in your rack.
Chapter 5. Maintenance Analysis Procedures (MAPs) 5-13
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