User manual

39
To insert/replace the battery, proceed as follows:
1. Separate the connected measuring leads from the measuring circuit and the measuring device.
Switch the DMM off.
2. Unscrew the screw on the rear of the battery compartment (6) and carefully pull the battery cover
and the battery out of the measuring device.
3. Insert a new battery with the correct polarity into the battery cover, insert them into the DMM.
4. Screw and fasten the battery cover with the screw.
You can order suitable alkaline batteries stating the following order no.:
Item no. 65 25 09 (please order one).
Only use alkaline batteries, since these are powerful and have a long life.
14. TROUBLESHOOTING
Always observe the safety instructions!
Repairs other than those described should only be carried out by an authorised
specialist.
In purchasing the DMM, you have acquired a product which has been designed to the state of the art
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.
Error Possible cause Remedy
The DMM does not
work.
Is the battery dead? Check the status.
No measuring
change.
The HOLD function is activated
(display shows “
”)
Press the button “HOLD” again. The
symbol “ ” disappears.
Is the wrong measuring function
active (AC/DC)?
Check the display (AC/DC) and switch
the function if applicable.
Did you use the wrong measuring
sockets?
Check the measuring sockets.
Is the fuse defect? In A/mA/μA range: Change the fuse as
described in the chapter ”Changing the
fuse”.