Rockwell Automation 1769-PB4 Compact I/O Expansion Power Supplies - Manuel (Page 24)

24 Compact I/O Expansion Power Supplies
Publication 1769-IN028B-EN-P - October 2008
Replace the Fuse
Follow these steps to replace a blown fuse.
1. Remove Compact I/O system power to correct conditions causing the short circuit.
2. Place a slotted screwdriver under the tab to remove the fuse housing cover.
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.
4. Replace the front access fuse by centering the replacement fuse over the fuse clip and
pressing down.
See Specifications for information on the front access fuse.
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.
ATTENTION
Never install, remove, or wire power supplies unless power has been switched off.
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
Tab
Fuse Housing Cover