IBM 3746-900 Installation And Maintenance Manual page 74

MAP (continued)
Are there other units connected to the same range as the suspected unit?
Yes No
018
Check that the other units have their power ON/OFF switch to ON.
Are other units powered on?
Yes No
020
Go to Step 032 on page 2-6.
021
Check the corresponding fuse.
Is the fuse OK?
Yes No
2-4
3745-XXA 2-4 3746-9X0: 6578 SPIM
Fuse location on ac outlet distribution box
F2
F1
017
Go to Step 026 on page 2-5.
019
Go to Step 021.
022
(Step 022 continues)
On the ac outlet distribution box:
– Fuse F1 controls the range of connectors
J1 to J4
– Fuse F2 controls the range of connectors
J5 to J8.
Check if other units are connected to the same
range of connectors as the suspected unit.