i have got the above boiler got it installed in feb this year and had nothing but bother with it the top light keeps flashing orange and sime keep coming out and saying its the fan so they have changed that twice already dont think it should be needing changed as much as that?? plus they say the filter is always blocked ive had them out 4 times in the last 2 months wot a nightmare it has been... can any1 give me any suggestions please???