Replace The Fuse - Allen-Bradley 1769-PA2 Installation Instructions Manual

Compact I/O Expansion Power Supplies

Replace the Fuse

ATTENTION: Never install, remove, or wire power supplies unless power has been switched off.
Follow these steps to replace a blown fuse.
1. Remove Compact I/O system power to correct conditions that are causing the short
circuit.
2. To remove the fuse housing cover, place a slotted screwdriver under the tab.
3. Use a fuse puller or similar device to remove the fuse.
Use care so that the printed circuit board and surrounding electronics are not damaged.
Fuse Housing Cover
Tab
4. Replace the front access fuse by centering the replacement fuse over the fuse clip and
pressing down.
See Specifications on page 31
If you use a tool to press the fuse in place, apply pressure to only the metal end caps, not
to the center of the fuse.
5. Replace the fuse housing cover.
6. Restore Compact I/O system power.
24 Rockwell Automation Publication 1769-IN028C-EN-P - August 2016
NOT USED
NOT USED
+24V dc
dc NEUTRAL
CHASSIS
DANGER
Do not disconnect while circuit
is live unless area is known to be
non-hazardous
for information on the front access fuse.