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I have a tiny company, produce and sell AC charge point in China. Recently I encoutered a problem. When customer used our AC charge point to charge Model 3 or Y, it usually stopped with warning: CP_a044 Unable to chrge service is required. Usually BMS_a063(Uable to charge sevice is required) and...

Hi Glan, this is Tom from China. I have a tiny company assemble AC charge point selling in China, 2 years ago I read your reply in this thread about control pilot voltage, and solved my charge point problem on Tesla. Thank you very much! In fact now I encoutered another problem. When customer...