Description of the problem: The device suddenly switches off during operation or the display turns off.


Possible causes:


  • The battery is empty.
  • The battery is not inserted correctly.
  • The mains adapter is not connected.
  • The mains adapter is not connected to the socket.


Possible solutions:


  • Ensure that the battery is inserted correctly.
  • Charge the battery.
  • Ensure that the mains adapter is connected correctly. 
  • Ensure that the mains adapter is connected to the power socket.