General Information; Maintenance And Cleaning - VOLTCRAFT VC930 Notice D'emploi

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12. MAINTENANCE AND CLEANING

a) General Information
To ensure accuracy of the multimeter over an extended period of time, it should be calibrated once a year.
Apart from occasional cleaning and fuse replacements, the meter requires no servicing.
Notes on changing the battery and fuse are provided below.
Error
The multimeter does not
work.
No measured value change Is the wrong measuring function
The meter beeps and the
icon
flashes.
Regularly check the technical safety of the device and measuring lines, e.g. check for damage to
the casing or squeezing, etc.
b) Cleaning
Always observe the following safety information before cleaning the device:
Live components may be exposed if covers are opened or parts are removed (unless this can be
done without tools).
The connected lines must be disconnected from the meter and all measuring objects before the
device is cleaned or repaired. Switch off the DMM.
Do not use any carbon-containing cleaning agents or petrol, alcohol or the like to clean the product. They will damage
the surface of the meter. Furthermore, the fumes are hazardous to your health and explosive. Also do not use any
sharp-edged tools, screwdrivers, metal brushes, etc. for cleaning.
Use a clean, lint-free, antistatic, slightly damp cloth for cleaning the device or the display and the measuring lines.
Allow the product to dry completely before you use it again to conduct measurements.
54
Possible cause
Are the batteries dead?
activated (AC/DC)?
Are the measuring lines reliably
inserted in the measuring jacks?
Is the fuse defective?
Incorrectly connected or unsuit-
able measuring lines
Possible remedy
Check the status. Replace the battery.
Check the display (AC/DC) and switch the
function if required.
Check the proper fit of the measuring lines
Check the fuses.
Connect measuring lines correctly to meter,
replace them or change the measuring function.

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