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- Sun Sep 25, 2022 5:38 pm
- Forum: Ninebot Max
- Topic: BMS to ESC Communication Protocol
- Replies: 1
- Views: 2297
BMS to ESC Communication Protocol
Hey all, I bought a used Ninebot Max that powers up but has a 21 Error Code that I understand is a BMS communication error. I checked the battery and the voltage was proper, so I ordered a replacement BMS. I couldn't find the original BMS model, so I ordered B-G30-10S V1.0 from China. I replaced the...