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5. Maintenance
● Battery replacement
When the symbol " " appears on the display,
replace with new batteries as follows :
(1) Disconnect the test leads from the instrument
and turn off the power.
(2) Use a screwdriver to unscrew the screws on
the battery cover then slide the cover, take out
the batteries and replace with new batteries (type
AA).
(3) Reinstall the battery cover and secure it with the
2 screws.
● Fuse replacement
Disassemble the bottom case from the front panel
with a screw driver.
The fuse is located on the upper left of the PCB.
Remove the protective cover and the blown fuse.
Replace with a new fuse (0.1A/250V ; 5x20mm),
then put the protective cover back. Assemble the
bottom case and the front panel with a screwdriver.
● Cleaning and storage
WARNING
To avoid electrical shock or damage to the meter,
do not get water inside the case.
Periodically wipe the case with a damp cloth and
detergent ; do not use abrasives or solvents.
If the meter is not to be used for periods of longer
than 60 days, remove the batteries and store them
separately.
