Lavamat Error 12 Hi, I Have An AEG Washer Lavamat 74900 With Error Code EFO, Ive Stopped Inlet Water, Can I Fix It? Please Help?

Hi, I have an AEG washer lavamat 74900 with error code EFO, Ive stopped inlet water, can i fix it? please help? - lavamat error 12

I have a AEG Washer Lavamat 74,900 with error code EFO, I stopped to water penetration, I fix it? Please help! AEG wants £ 159 for one years guarantee and verification. I fixed myself, whether it is possible