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DY03001 Users Manual
Maintenance
Except replacing battery and fuse, never attempt to repair or service the meter unless you are
qualified to do so and have the relevant calibration, performance test, and service instructions.
Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.
Button Cell And Fuse Replacement
When the symbol "
" appears on the display, the button cells are low and must be replaced
immediately. To replace the button cells, remove the screws on the back cover and remove the back
cover. Replace the exhausted button cells with new ones of the same type ( 1.5V button cell, LR44 or
equivalent ), make sure that the polarity connections are correct ( see the indication on the bottom
of each button cell compartment ). Reinstall the back cover and the screws.
The fuse rarely needs to be replaced and is blown as a result of the operator's error. To replace fuse,
use the method mentioned above to remove the back cover, replace the blown fuse with a new one
of the same ratings. Reinstall the back cover and its screws.
This meter uses one fuse: 250mA/250V, Fast, ∅5X20mm
Warning:
Remove all test leads from the circuit under test before opening the back cover.
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