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    Sur-Ron - New Mid drive Bike

    Can stock x controller handle this additional power?no mention of it on the website 🙄
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Update I’ve received new tft display & it works now. But getting a 30h error msg & motor still unresponsive. Cannot connect to controller via Bluetooth nor get a RX signal via laptop Sabvoton software Controller red led just blinks with no response Is the controller have issues. Hall...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    ok thanks I'll give that a try later
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Interesting but red led startsblinking when looping red/blue power/obat leads still inoperative... no response when looping ex/tx
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    Sabvoton SVMC72150 TROUBLESHOOTING

    👍 thanks for clarification
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    Sabvoton SVMC72150 TROUBLESHOOTING

    obviously solid documentation with sabvoton controllers is elusive at best http://www.cnqsmotor.com/en/article_read/Sabvoton%20SVMC/SSC%20Series%20Brushless%20Sinusoidal%20Programable%20Motor%20Controller/537.html support CAN protocol theory my archaic understanding of CAN is that nodes can...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    AWESOME! thank yo for the information yes I agree seems everything checks out except the display I have another ebay display shipping trying to understand the system so I'm not stuck pushing a 100lbs + bike again CAN protocol works with 120 ohm resistance didnt know if looping the TX/RX...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    ok found the tuning software https://laebike.com/blogs/information/76664133-sabvoton-sinewave-controller& can get a red LED illumination when connecting laptop getting a TX blinking light but no RX talking back from controller question now is these sabvoton controllers are CAN protocol - Do...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Also is there a pc program to possibly connect & try comm with a pc?
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Upon further investigation I can measure a full battery charge of 82v at the controller inputs from battery. The headlight/tail light operate normally. However the Tft 750c display will not power up & the leds on the controller are not responsive. I have had enough taste of the performance that...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Until on further investigation I can measure a full battery charge of 82v at the controller inputs from battery. The headlight/tail light operate normally. However the Tft 750c display will not power up & the leds on the controller are not responsive. I have had enough taste of the performance...
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    Sabvoton SVMC72150 TROUBLESHOOTING

    Hi, new forum member with an issue ~ I recently purchased a Leili Ebike https://www.alibaba.com/product-detail/Powerful-Ebike-72v-12000W-electric-bike_60837746170.html?spm=a2700.7724838.2017115.27.67aa5328Bqb3Ph with the above controller. I am looking for some troubleshooting guide as...
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