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    Diagnosting a 24v controller (fag speed) with hall sensor hub motor

    Thank you for sharing your thoughts! The system is pedal only without brake sensors. I managed to find the same controller 120$ and decided to try that. I guess it is most propable that the fault comes from the controller than from other parts. This fault has not been simple one for me to...
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    Diagnosting a 24v controller (fag speed) with hall sensor hub motor

    Here is a photo of the controller
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    Diagnosting a 24v controller (fag speed) with hall sensor hub motor

    Dear experts I am servicing an older e-bike that has the following problem. When powering on the system everything works normally. Then after few minutes of pedaling something happens and the motor quickly looses all power. Notes: -The same behaviour happens everytime -The more time the...
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    Strange behaviour of KD21C KDS with CE:G3M20211-1592-16

    I ll have a look at the numbers Thank you for taking time to answer!
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    Strange behaviour of KD21C KDS with CE:G3M20211-1592-16

    Hello, I am Kristian and I run a e-bike workshop in Helsinki, Finland. This year we have had many bikes that have the following combination 36v - KD21C - CE:G3M20211-1592-16 - Bafang RM-G060.250 having the following problems. 1. Automatically changing battery gauge levels After being...
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    Power loss after few seconds of normal running - BBS02 52v

    Thanks. The battery is 18ah. What comes to measuring current from the battery. I expected the battery in the 1st place. But as the same thing happens with a replacement battery when I tried the system with another - known to work - 11ah battery I did not yet connect a meter between the...
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    Power loss after few seconds of normal running - BBS02 52v

    Hello fellow bikers! I am trying to diagnostic a BBS02 with 52v shark pack for the following curious behaviour that is new to me. The system runs as normal for about 3-5 seconds, then watts starts dropping fast to almost zero. Changing PAS level brings the system back to normal functioning...
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