3. Fuse replacement
Before replacing a blown fuse, however, it is necessary
to locate and remove the cause of the blown fuse.
For this reason, only those personnel who have received
approved safety and maintenance training may perform
When replacing a fuse with the cabinet open, be careful
not to touch the high–voltage circuits (marked
fitted with an insulating cover).
Touching an uncovered high–voltage circuit presents an
extremely dangerous electric shock hazard.