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  1. T

    MQCON Sabvoton 7280 V2 USB

    Ok, found the problem, my mistake, just remove the damn hidden connector with brown and black wires connected to the controller. Easy? Yes. Now the new problem is that the display I ordered "Compatible with Sabvoton/MQCON", but is not, oh my dear god. Ok, sent it back, 300 deals and this is the...
  2. T

    MQCON Sabvoton 7280 V2 USB

    It came with the USB-TTL adapter which connects to the so called USB plug on the controller, It's just a TTL RX/TX with USB connector. It should work with display disconnected with red-blue shorted so the controller gets power (green led is lit). Wiring should be ok, as it connects for a second.
  3. T

    MQCON Sabvoton 7280 V2 USB

    Hi, Got this replacement controller from the manufacturer. Got the bike running, but can't input parameters with the PC interface. Problem: With display removed, if I plug in the USB-TTL adapter and then power up the controller, I get communication OK for about a second, then nothing (no answer...
  4. T

    SVMC7280(M) wiring

    They are outputs. Thank's for the info.
  5. T

    SVMC7280(M) wiring

    Hello, Does anyone know what does that 4-pin molex connector with orange and brown wires do? I'm got a bike for repair from my friend. Problem: No output to motor, FET's seems to be ok and can communicate with the controller with MQCON SVMC PC interface. Tried the hall-test, but motor does not...
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