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settings and DMX polarity.
3. If you have intermittent DMX signal problems, check the pins on connectors or on
PCB of the unit or the previous one.
4. Try to use another DMX controller.
5. Check if the DMX cables run near or run alongside to high voltage cables that
may cause damage or interference to DMX interface circuit.
C. One of the channels is not working well
1. The stepper motor might be damaged or the cable connected to the PCB is
broken.
2. The motor’s drive IC on the PCB might be out of condition
