14. Appendix
Replace the fuse and precautions
Specification of fuse:
Two UL Listed fuse, rated 5A, 250 VAC *2, UFE, size: 5 × 20 mm
Required tool:
Fine flat-tip screwdriver
Procedure:
DANGER! ELECTRICAL SHOCK HAZARD. Severe electrical shock,
which could cause physical injury or death, can result from working
on an instrument when the high voltage power supply is operating.
To avoid electrical shock, disconnect the power supply to the
instrument, unplug the power cord, and wait at least 1 minute
before working on the instrument.
1.
Power off the instrument by disconnecting the power.
2.
Insert a flat-tip screwdriver into the slot in the lower portion of
the power entry filter module, and pull outward to remove the
fuse holder.
3.
Pull out the fuse compartment to inspect both fuses in the fuse
compartment.
4.
Pull out the blown fuse from the fuse compartment and replace
with a new UL Listed fuse, rated 5A, 250VAC, UFE, size: 5 x 20
mm.
5.
Place the fuse compartment back into the power entry filter
module (there is only one orientation) until it locks in place.
6.
Connect the instrument power cord.
38