34405A User’s and Service Guide 115
Disassembly and Repair 5
To Replace the Power Line Fuse
The power line fuse is located within the multimeter’s fuse–holder 
assembly on the rear panel. The multimeter is shipped from the factory 
with a power–line fuse installed. The supplied fuse is a time- lag, 
low- breaking, 0.2A/ 250V, 5x20mm fuse, Agilent part number  2110- 1395. If 
you determine that the fuse is faulty, replace it with one of the same size 
and rating.
2
1
1 Disconnect power cord. Depress tabs 1 and
2 and pull fuse holder from rear panel.
2 Remove the line voltage selector from fuse
holder assembly.
3  Rotate line voltage selector and reinstall so
correct voltage appears in fuse holder
window.
4  Replace fuse holder assembly in rear
panel.
100, 120, 220 (230) or 240 Vac
34405A users guide.book  Page 115  Saturday, September 2, 2006  3:38 PM