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It is hard to dectect the exactly connection that cause the issue, i have cheked the whole system but it was an occasional problem, when it is become worst I found. Funny is the factory of the battery , there are six metal spring contacts but only two were used.

Hi guys Finnaly I fixed it It was the negative metal spring contact between the battery and frame. It was burned for spike. Now I have soldered a couple of wire from the inside of tge battery and connect with motor wire with a screw connection. It work very weel, the motor seem more powerfull...

But the dry joint what problem does it causes?

Ok I understood....for me in italian language is a. "cold solder" but I have understood. I hope the display is delivered quickly and i will try with the new one.....then I open the old one and check it.

So if I have understood you guys are telling me that the display and motor switch off because the power has been cut...right ? High voltage does not switch off the display but only the motor in any case.....in my case is 41.9v but do not cut...perhaps..

Yes it is the case, it happens usually in this conditions... I have measured now the battery voltage fully charged without load and it is 41.9 volt...too high ? It is true that i run on rought terrain but the cut off is not immediate and always on the bump , it seems like just after the bump...

Hi But in this case , when sotfware detect over voltage , the display remain on , right ? In my problem the display switched off.

Hi I will try to measure the battery volt s in both conditions....It must be under 41.5V, right ? But it seem be like a "spike" because it run correctly after and before the issue....it turn off completely motor and display also, the battery stays on I think. I can't recorder the change of volts...

Hi B4 I talking about a TSDZ2 250W 36V motor kit with a battery 36V 13.5A and the VLCD6 display I have installed this kit 2 months ago and 700km done and it has worked weel for about 600km. When it turn off itself I run on a plane road at moderate speed, not with hard load. I have tested it on...

Hi guys I have a similar problem , when i run and motor have all regular , fully charge battery , after 20min run the motor turn off by itself ....I turn on it again without problem and run, after other 20min it turn off again. I happens 2 or 3 times and after that i run until the battery is...

Hi guys I am an older biker , 55 years old , but i go to climb usually with my road bike and now with my new TSDZ2 Motor kit 250W. I really appreciate this kit .