Keysight U1253B Guía Del Usuario Y Servicios página 160

Fuse replacement
This manual provides only the fuse replacement procedures, but not the fuse
NOTE
replacement markings.
Replace any blown fuse in the multimeter according to the following procedures:
1 Turn the multimeter off and disconnect the test leads. Ensure that the
2 Wear clean and dry gloves on your hands and avoid touching any components
3 Remove the battery cover compartment.
4 Loosen two side screws and one lower screw on the bottom case and remove
5 Loosen the two screws on the top corners to take out the circuit board.
6 Gently remove the defective fuse by prying one end of the fuse loose and
7 Replace with a new fuse of the same size and rating. Make sure the new fuse is
8 Ensure that the knob of the rotary switch on the top case and the
9 Re-fasten the circuit board and the bottom cover.
10 Refer to
Keysight U1253B User's and Service Guide
charging adapter is also removed, if it is attached to the multimeter.
except the fuse(s) and plastic parts. It is not necessary to recalibrate the
multimeter after replacing a fuse.
the bottom case.
removing it from the fuse bracket.
centered in the fuse bracket.
corresponding switch on the circuit board remain at the OFF position.
Table 5-4 on page 160 for the part number, rating, and size of the fuses.
Maintenance 5
159