Kikusui TOS9200, Operation Manual

Page: 28 / 172

1-6 Setup TOS9200/9201
1.4.2 Checking and replacing fuses
•
T o pre v ent electr ic shoc k, bef ore chec king or replacing the fuse , be sure to
tur n off the PO WER switch and unplug the AC power cord.
• Make sure that the fuse used conforms to the instrument speci fi cations,
including shape, rating, and characteristics. Using a fuse with different rat-
ing or short-circuiting, the fuse holder will damage the instrument.
1. Turn off the POWER switch, and unplug the AC power cord.
2. On the rear panel, remove the fuse holder, as shown in Fig. 1-4, by
pushing it inward and unscrewing it counterclockwise using a screw-
driver.
Fig.1-4 Removing the fuse holder
3. In accordance with the fuse rating speci fi ed below, check the fuse type
and replace the fuse.
4. Following the above steps in the reverse order, reinstall the fuse holder.
■
Fuse rating
• The pre-arcing time-current characteristic of fuses are named dif ferently in the
UL and IEC standards. Use fuses conforming to both or either of the standards.
WARNING
1
2
NOTE