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13. Replacing the Fuse
Never operate the meter if the case is open. !DANGER TO LIFE!
14. Troubleshooting
Problem
The DMM will not power up. Flat battery
Cannot measure changes
in value.
No measurement possible
in the A measurement
range
No measurement possible
in the mA/µA measurement
range
Possbile cause
Is the wrong measuring function
activated (AC/DC)?
Are the incorrect leads used?
Is the HOLD function activated?
Is the fuse of the A measuring
range defective?
Is the fuse of the mA/µA meas-
urement range defective?
1. Turn the function dial to the "OFF"
position.
2. Remove the test leads from the input
terminals.
3. Unscrew then remove the battery cover.
4. Unscrew the rear cover screws.
5. Replace the fuse with one that is of the
same type and specification. Refer to
the section "Technical data" for further
information.
6. Carefully replace the covers.
Suggested solution
Replace with new battery.
Check display (AC/DC) and switch the function
if required.
Check the terminal assignment or connection
of the probe leads.
Deactivate the HOLD function.
Check the 10 A F2 fuse
Check the 0.6 A F1 fuse.
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