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Still need help with Amico multi process welder

Discussion in 'Troubleshooting and Repair' started by Raylicker, Nov 12, 2019.

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  1. Raylicker

    Raylicker

    9
    0
    Oct 16, 2019
    Hi all, do you or could you lead me to a group that can help me get this welder going. I left it on for about an hour and when I got back it was off and never to start again. The power light goes on but nothing else. The switch is good. Only had the thing for 1 year and then one month after the warranty expired it died. Thank you for any help here or point me to another group, I was told there was one that would help with troubleshooting PCB's. I'm getting power to the capacitors but don't know where o check after that. Here are pics of the two boards in it. Could it be on the little board? if I am getting power all the way to the capacitors, shouldn't I have front panel lights or something? Please any help, here are pics of both boards
     

    Attached Files:

  2. Bluejets

    Bluejets

    4,095
    859
    Oct 5, 2014
    Check thermal switch #005 top photo for continuity. (on the heatsink)
     
  3. Raylicker

    Raylicker

    9
    0
    Oct 16, 2019
    It has continuity
     
  4. Raylicker

    Raylicker

    9
    0
    Oct 16, 2019
    Here are schematic
     

    Attached Files:

  5. Bluejets

    Bluejets

    4,095
    859
    Oct 5, 2014
    Difficult to follow low resolution......might be just I am trying to view on my phone.
    Have a feeling there is (a lot) more to it than shown there though.
     
  6. Raylicker

    Raylicker

    9
    0
    Oct 16, 2019
    I had to resize it to upload it. I can e-mail you the original pic I have. I know on my phone I can zoom in to see most of the numbers and letters. What do you mean the is a lot more to it, to what?
     
  7. Tha fios agaibh

    Tha fios agaibh

    2,097
    707
    Aug 11, 2014
    Yes, grainy to see. Take 2 pictures (smaller) with more resolution to keep file size low enough to post.
    Have you checked the +5 and +12 power rails with respect to ground here?
    2019-11-15 07.47.39.png
     
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