f03 fault code flashing on hotpoint ultima wf865?

Had the machine for 3 months and it just started displaying f03 this afternoon, i cant find any explanation on the net about this code so im hoping someone here can shed some light on it. The machine is still going as I switched all power off to it for 5 mins then switched on again and all seems to be well, but im curious as to what the code meant or means for the future