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No Led but have power


Madcam
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4 1602 boxes
2nd year with installing today lights and one channel on box 3 was constant on. Even when computer was off. Reboot, more problems, boxes not found.NO LED on 1&2 All channels on 1&2 are on even with no computer connected. box 3 and 4 blinking( as to be expected. USB485 look and smells bad. Do we think the controllers are toast too. Again no led, all channels on no comp hooked up(can't,need new usb485)

Any thoughts appreciated
Greg

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What happened that fried the USB485? Same issue may have hurt the board...

-Tim

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I'm not sure what came first. I was checking cables,connections ect. Thought the computer was "asleep" but it was off. Rebooted and found (by smell) the bad connector. Yellow wire inside the usb485 looks bad. So the short answer is I don't know which way the problem went. Controller to computer or vise versa.

I just hope I can get replacement boards (in stock I hope)

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