Service and Maintenance
4
Keysight U1241B and U1242B User’s and Service Guide
55
7
Replace a new fuse of the same size and rating into the center of the fuse
holder.
Figure 4-3
Fuse 2 replacement
8
Place Fuse 1 back to its original position and then re-fasten the circuit board
and the bottom cover respectively.
Troubleshooting
If the instrument fails to operate, check the batteries and test leads, replace them
if necessary. If the instrument still does not function, check the identification
procedures as described in
Table 4-1
.
Fuse 2 (11 mA/1000 V)
WARNING
To avoid electrical shock, do not perform any service unless you are qualified
to do so.