A method of controlling a mobile communication device comprising a wireless communication interface and a display is disclosed. The method comprising: executing a mobile application for controlling a robotic work tool； receiving an error signal through said wireless communication interface from said robotic work tool； displaying an error status on the display； disabling functions relating to an operating state； receiving a reset signal through said wireless communication interface from said robotic work tool； and in response thereto enabling the functions relating to an operating state.
