PowerLogic
TM
EM4800 Series 930-110-01-B.00
Maintenance 04/2011
© 201 Schneider Electric All Rights Reserved34
MAINTENANCE Do not perform any operation or maintenance procedures that are not
described in this product documentation. Visually inspect the equipment
yearly and ensure it is free of dust or other particles. If necessary, wipe with
a clean cloth. Individual components are not user-serviceable and must be
returned to Schneider Electric for repair.
Fuse Replacement
1. Turn off all sources of power before attempting to replace the fuse.
Always use a properly rated voltage sensing device to confirm the
power is off.
2. Remove the outer cover from the unit.
3. Locate fuse F1 at the top left corner inside the unit.
4. Remove the fuse cover, then remove the fuse from the holder as shown
in Figure 17.
5. Replace fuse F1 with a fuse that meets the specifications listed in
Table 1 on page 2.
6. Replace the fuse cover.
7. Re-install the cover and turn on the power source.
Figure 17: Replacing the fuse
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow
safe electrical work practices. See NFPA 70E.
• Turn off all power supplying this equipment before working on or
inside equipment.
• Always use a properly rated voltage sensing device to confirm the
power is off.
• Replace all devices, doors and covers before turning on power to
this equipment.
Failure to follow these instructions will result in death or serious
injury.
2
3
Legend:
1 Fuse holder
2Fuse
3Fusecover
1
