Bosch Appliances MMD 540H instruction manual Replacing the Fuses

MMD 540H Hybrid Multimeter Maintenance 31

Replacing the Fuses

WARNING: To avoid electric shock, disconnect the test leads from any source of voltage before removing the rear cover (fuse door).

1.Disconnect the test leads from the meter and any item under test.

2.Open the fuse door by loosening the screws on the rear cover using a Phillips head screwdriver.

3.Remove the old fuse from its holder by gently pulling it out.

4.Install the new fuse into the holder.

5.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.

6.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.

MMD 540H Instruction Manual Version 1 February 2008 Robert Bosch LLC