The user interface on this appliance is very intuitive and works like most modern smart phone / tablet devices.
It displays the menus and setting as text rather that code numbers - these are still settings and parameters but are presented in a clearer easier to understand way.
If you would more information how the user interface works click here.
This appliance has a large range of fault / information codes (in excess of 100).
They also fall into different types of fault mode, some prevent operation, some provide information and some do not display automatically and have to be searched for.
If you would like more information on the various types of fault / information code click here.