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Hi, To close this subject , I change the 6 MOSFETs that drive the motor and it solve the problem. I'm the 2nd guy who performed this operation successfully - thanks to the other guy on cyclurba who performs this operation first ! regards, JF

Thanks for the informations. I also have a subjet open with the cyclurba forum. I open the motor this afternoon. Nothing seems to be KO at a first inspection. I connect the 3 phases of the motor all together and that block the motor. I measure also 0.3 ohms between the different phase. I think...

Hello, Owner of a 2008 Kalkhoff pedelec, I think I have a problem with my panasonic motor. While I was riding, it suddenly went off on a speed bump. I tried to check the motor unit with a lab power supply. I connect the + on the red wire of the battery connector end the - on the dark wire of...