Coffee or soup machine has control unit connected to IR beam system which detects presence of screen on water tank, preventing machine from being operated if tank is not in position

摘要

The coffee or soup machine has a control unit (17) which is connected to an IR beam system comprising a transmitter (S) and receptor (E). This detects the presence of a screen (14) on the water tank (9), preventing the machine from being operated if the tank is not in position.