Справочник Пользователя для Voltcraft VC850 Digital Multimeter with Software included 6000 counts CAT IV 600V, CAT III 1000V VC850

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Troubleshooting
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 errors may occur. 
For this reason, the following is a description of how you can eliminate possible malfunctions
yourself.
Always follow the safety instructions!
Error
Possible cause
Remedy
The multimeter does not 
Is the battery dead?
Check the status.
work.
Replace the battery
No measuring value change.
Is a wrong measuring function  
Check the display (AC/DC)
activated (AC/DC)?
and switch the function if 
applicable.
Are the measuring lines 
Check the proper fit of the 
inserted tightly into the  
measuring lines.
measuring jacks? 
Is the fuse defect?
Check the fuses.
Is the HOLD function activated?  Press the button “H” to 
(display “H”).
deactivate this function.
The meter beeps and 
Wrongly connected
Connect measuring lines 
the “WARNING!” symbol
measuring cables
properly to the meter or 
flashes
change the measuring function.
Repairs other than those described above may only be carried out by an authorised
specialist. Proceed to page 29 where you will find the section with the Full Service
Hotline.