Fixtures losing signal

I apologize if I am posting in the wrong section. I am new to the forum and lighting in general. I am running Hog4 PC in a club I work at. Self taught and programmed everything my self. I recently have encountered the first problem I have not been able to fix on my own. Several of the fixtures lose their signal from the PC. They behave erratically, shut off, sometimes turn on 100% intensity and position randomly. They won't take any input from the programmer. My suspicion is that my hog dmx widget is going bad (if that is possible). Or maybe one of the wires/connectors. Does anyone know if this is likely or possibly the problem. Any advice is much appreciated. I apologize again, new here and self taught on all the lighting stuff. Thank you
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  • I agree with Michael about a bad light *could* mess up DMX both downstream AND upstream. I've seen it happen a few times.
    After step 1 of troubleshooting with adding a Terminator, if that doesn't fix it, you could try bypassing lights one by one. By that I mean, start at the first fixture in a run, unplug the IN and OUT DMX and plug them together, bypassing the fixture. Then restore the lines and do the same thing with the next fixture in the run. Keep going through each fixture (one by one) and see if the problem goes away.
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  • I agree with Michael about a bad light *could* mess up DMX both downstream AND upstream. I've seen it happen a few times.
    After step 1 of troubleshooting with adding a Terminator, if that doesn't fix it, you could try bypassing lights one by one. By that I mean, start at the first fixture in a run, unplug the IN and OUT DMX and plug them together, bypassing the fixture. Then restore the lines and do the same thing with the next fixture in the run. Keep going through each fixture (one by one) and see if the problem goes away.
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