Maintenance
AC Fuse Replacement
4
4-7
AC Fuse Replacement
The instrument uses a 1/2 ampere, 250 V, slow blow line fuse in series with the
mains power supply. To replace the fuse, refer to Figure 4-1 and the following
procedure:
XW
Warning
To avoid electrical shock, do not operate the instrument
without the cover properly installed.
1.
Disconnect
all
rear panel cables to the instrument power, Universal Input
modules, and I/O connectors.
2.
Locate the fuse holder at the back of the chassis near the power input
connector and twist out the fuse.
3.
Insert the new fuse into the holder. You
must
use a 1/2 ampere, 250 V time
delay line replacement fuse.
4.
Reinstall the cables removed in Step 1.
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