Noob Issue - unfinished print

  • Hello there,

    I am little bit new on 3D printing and just bought Ender 3 v2.
    Last two days, i have struggled w/ bed leveling and i hope it OK right now.

    My problem is;
    I have tried to print already existing example which came with the sd card (cat-3.5h.gcode).

    An hour after the printer starts up, extruder creates snagging sound permanently and nozzle does not drop any filament to the board.

    First, i thought it was related with the nozzle stoppage and i stopped the operation and clean the nozzle.
    In my second attempt of printing(start over), again, after 1 hour, extruder started to create same noise.

    I am not sure how can i solve it.
    video of the issue :

    two failed attempts:

    WhatsApp Image 2020-10-03 at 17.43.39.jpeg

    gcode that i used: (it is exactly same with the cat-3.5h.gcode in sd card from creality)

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