Replacing The 100 Ma Input Fuse; Replacing The 10 A Input Fuse - Fluke 45 User Manual

If the fuse is good, the meter will read between .04
the meter will read >10 M to OL.

Replacing the 100 mA Input Fuse

For protection against fire or arc flash, replace a blown fuse
only with one of identical rating.
The 100 mA input fuse is mounted in the front panel input jack (see Figure 6-2).
To replace this fuse, first unplug the line cord. Then press in on the input jack and turn it 90
degrees counter-clockwise as shown in Figure 6-2. Slide out the fuse holder and fuse.
Replace a blown fuse with one of identical rating (see Table 6-5) and reinsert the fuse and
holder into the input terminal socket. Secure the fuse holder by pressing in and turning the
holder 90 degrees clockwise.
F1 Fuse (500 mA, 250V, Fast Blow)
1500 A Minimum Breaking Capacity
To remove, push in and turn counter clockwise.
To insert, reverse this procedure.

Replacing the 10 A Input Fuse

The 10 A input fuse is located inside the meter. To replace the fuse:
1. Remove the single Phillips-head screw on the bottom of the case and the Phillips -
head screw on each side of the rear bezel.
Opening the case may expose hazardous voltages. To avoid
electric shock, always disconnect the power cord and
measuring inputs before opening the case.
2. Remove the bezel and slip the case back from the front of the meter. The fuse and
fuse clip are visible at the front of the main printed circuit assembly (pca) near the
input terminals.
W
Warning
Fuse Holder
Figure 6-2. Replacing the 100 mA Input Fuse
W
Warning
and 1.0 . If the fuse is blown,
Front Panel Input Terminal
100 mA Input Socket
Maintenance
6
Current Input Fuses
qb13f.eps
6-3