Pro's Kit MT-2019, User Manual

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9
Error Possible cause
The multimeter does
not work. Are the batteries exhausted? Is the power
indicator lit? Check the state of the batteries and
the fuse 0.5A.
No measurements
possible via V/mA
socket.
Is the fuse defective? Check the fuse 0.5A (fuse
replacement)
No change in
measured values. Have you selected the right measuring sockets? Is
the measuring range/mode correct (AC/DC)?
Faulty measuring
results are displayed. Has null balancing of the display or a 0
Ω
calibration for the resistance measurement been
carried out? Is the batteries not properly
assembled in?
MAINTENANCE
Replacement for Battery and/or Fuse should only be done after the test
leads have been disconnected and POWER OFF.
1. Battery Replacement
1) Note the condition of the batteries using the procedure described above,
if the battery needs to be replaced, remove the screw and open the
upper cover of the battery cabinet on the rear case.
2) Take off the spent batteries and replace them with a battery of the same
type. Observing polarity as indicated battery polarity marking on the
bottom of the battery compartments.
3) Replace the battery cabinet cover and tighten the screw.
2. Fuse Replacement
1) When the fuse needs replacement, use only UL-Listed 0.5A/250V fuse
identical in physical size to the original type Φ5 x 20 mm.
2) Disassemble the side Holsters, and take off the screw, then open the
whole rear case. Remove the old fuse from its holder; install the new fuse
into it.
3) Replace the rear cover & Holsters, and tighten the screw.