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12.
Troubleshooting
In purchasing this DMM cable detector, you have acquired a product which has been designed with state-of-the-art
technology and is operationally reliable.
Nevertheless, problems or faults may occur.
For this reason, the following is a description of how you can eliminate possible malfunctions yourself.
Please always observe the safety instructions!
Error
The device does not
work.
None Change of the
measuring value.
13.
Care and cleaning
a) General
To ensure the accuracy of the multimeter over an extended period of time, it should be calibrated once a year.
Apart from occasional cleaning and battery replacements, the multimeter requires no servicing.
The battery change is described below.
Regularly check the technical safety of the instrument and measuring lines, e.g.check for damage to the
housing or squeezing etc.
b) Cleaning
Always observe the following safety instructions 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 measuring device and all measuring objects prior to
cleaning or repairing the device. Switch the DMM off.
38
Possible cause
Is the battery dead?
Is a wrong measuring function
activated (AC/DC)?
Is the HOLD function activated?
(display "HOLD").
Remedy
Check the status.
Battery replacement
Check the display (AC/DC) and switch the
function if applicable.
Press the button "HOLD" to deactivate this
function.
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