14. Troubleshooting
Problem
Possbile cause
Suggested solution
The DMM will not
power up.
Flat battery
Replace with new battery.
Cannot measure
changes in value.
Is the wrong measuring
function activated (AC/
DC)?
Check display (AC/DC) and switch the
function if required.
Are the incorrect leads
used?
Check the terminal assignment or
connection of the probe leads.
Is the HOLD function
activated?
Deactivate the HOLD function.
No measurement
possible in the A
measurement range
Is the fuse of the
A measuring range
defective?
Check the 10 A F1 fuse
No measurement
possible in the mA/
µA measurement
range
Is the fuse of the mA/
µA measurement range
defective?
Check the 0.4 A F2 fuse.
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