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    Help! Bianchi bike with Sunstar s03 motor

    Thanks for all that info. It's been invaluable and means .... PROBLEM SOLVED !!!! Having acquired a multi meter and checking the voltage of the battery and charger it turns out I was sent a 36v battery, not a 24v as ordered. That's been returned and the correct battery sent. So simple and...
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    Help! Bianchi bike with Sunstar s03 motor

    Thanks kwpe, and agreed, the lights flash in that sequence which would indicate an E4 error code. Indeed the voltage on the original battery was 26v and 15 amphr the replacement 24v and 10 amphr was the closest match I could find. I'll see what the original importers can tell me. I'm a little...
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    Help! Bianchi bike with Sunstar s03 motor

    Thanks for that Nealh. I spent the morning yesterday Googling and had found that one. It looks pretty daunting and a little beyond my tool kit and ability, but a start with a little assistance and coaching from the guys who made the video ☺️
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    Help! Bianchi bike with Sunstar s03 motor

    Thanks for a swift response Benjamin. Herewith the pictures requested
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    Help! Bianchi bike with Sunstar s03 motor

    Hi there. New here, and to ebikes, but not cycling. So, as requested, a bit on me and cycling ... Back in my 30's and 40's I used to cycle a 24 mile round trip to work in all weathers. I also enjoyed social rides with mates and followed the Tour de France at many locations every year for 11...