Geeetech A10. Badass Leveling, next failure

The next angry failure i found. After argue with my faulty slider or carriage Slide For the heatbed (call IT howeveryou want) i got next Problem with the heatbed itself. Is IT unplain or is this Just the next Joke. Please with the nozzle and the changing distance between nozzle and bed. Ist that the next result of the Bad Slider?