IBM 3746-900 Installation And Maintenance Manual page 75

022 (continued)
Switch all the units to OFF controlled by this fuse.
Exchange the defective fuse.
Switch ON all the units controlled by this fuse.
Is the fuse blown again?
Yes No
023
Problem solved. Go to Chapter 6, "CE Leaving Procedure" on
page 6-1.
024
Suspect a power problem in a unit powered through the ac outlet distribution
box.
Switch all the units that are controlled by this fuse to OFF.
Exchange the fuse.
Switch on the units that are controlled by this fuse one by one to identify
the unit that has a problem.
Once you have identified the faulty unit continue withStep 032 on
page 2-6 .
025
Suspect the ac wall socket.
026
Check the corresponding fuse.
Is the fuse OK?
Yes No
027
Switch OFF the defective unit controlled by this fuse.
Exchange the defective fuse.
Switch ON the unit controlled by this fuse.
Is the fuse blown again?
Yes No
028
Problem solved. Go to Chapter 6, "CE Leaving Procedure" on
page 6-1.
029
.Go to Step 032 on page 2-6 .
Chapter 2. Service Processor Problem Determination
2-5