Chapter 7 Installation
Operator’s Maintenance
128 Operating and Programming Manual
Replacing the External DC Input Power Fuse
1 Remove all power from the 5071A.
2 Press down on the top edge of the dc FUSE cap located under the Ext DC Input
connector, then grasp the top and bottom of the fuse holder and gently pull it out
(back and slightly down). The first fuse to appear is a spare; the one behind it is
the active dc fuse element.
3 Insert the replacement fuse (5A, 125-volt rating, part number 2110-0838).
4 Gently push the fuse holder back into the rear panel.
1 Remove all power from the 5071A.
2 Press down on the top edge of the dc FUSE cap located under the 48 VDC Input
label, then grasp the top and bottom of the fuse holder and gently pull it out (back
and slightly down). The first fuse to appear is a spare; the one behind it is the
active dc fuse element.
3 Insert the replacement fuse (2.5AT, 250-volt rating, part number 2110-0952).
4 Gently push the fuse holder back into the rear panel.
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