New Machine Build 3018 cnc controller board, fuse blown


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Thread: 3018 cnc controller board, fuse blown

  1. #1
    Member momemarian's Avatar
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    Question 3018 cnc controller board, fuse blown

    On the first power up of my newly received 3018 CNC, one of the fuses was blown (exploded). After the very traumatic experience however, I figured the pcb had been touching the aluminum frame and after removing it from the frame, the board powered up and surprisingly, everything seemed functional. I was able to load grbl v 1.1 on the ATmega chip and using candle I was able to turn spindle on/off and have movement on all three axes.

    The board that came with the kit is the cronos maker. The best link I found to it is the following: https://www.aliexpress.com/item/GRBL...863317663.html

    Even though things seem to be working, I am still paranoid to do anything more serious due to the blown fuse. A simple continuity test suggests F3 is not having current through. Is there a way to figure out what this fuse is for? I am not able to find any schematics for this board.

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  2. #2
    Member Sterob's Avatar
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    Default Re: 3018 cnc controller board, fuse blown

    Just carry on and enjoy the machine.
    It sounds like you found the problem.

    "A simple continuity test suggests F3 is not having current through."

    Not sure what you mean....Is the fuse blown or no current is flowing through the fuse?



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3018 cnc controller board, fuse blown

3018 cnc controller board, fuse blown