Hello there pls help me its urgent. I worked on my gmm saw as usual and then i heard bum bum sound that was the bearings...so i turn it off fast, after that a seviser come to me and i paid him 1000eur. To change bearings so he changed them.and after that i cant start my saw it says axis error xy zw, servo error ,limit pressed error and i cant start my machine..when i press start nothing heppens except those 4 panels for axis xzyw.... pls help me so that i dont need to give 6000euros to gmm servisers.Thx :(