User's Manual

MMD 540H Instruction Manual | Version 1 | February 2008 Robert Bosch LLC
Replacing the Fuses
WARNING: To avoid electric shock, disconnect the test leads
from any source of voltage before removing the rear cover (fuse
door).
Disconnect the test leads from the meter and any item under
test.
Open the fuse door by loosening the screws on the rear cover
using a Phillips head screwdriver.
Remove the old fuse from its holder by gently pulling it out.
Install the new fuse into the holder.
Always use a fuse of the proper size and value (0.5A/250V -Ø5
x 20 , fast blow for the 400mA range, 20A/250V –Ø6.3 x 32 fast
blow for the20A range). Commonly available at local electronics
retailers and Radio Shacks.
Put the fuse door back in place. Insert the screw and tighten it
securely.
WARNING: To avoid electric shock, do not operate your meter
until the fuse door is in place and fastened securely.
1.
2.
3.
4.
5.
6.
MMD 540H Hybrid Multimeter | Maint
enance | 31