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Hi friends, so I contacted the manufacturer by email => no result. so it didn't work for me and i contacted the dealer at Aliexpress. After a few conversations and making sure I just couldn't handle it and the password I probably changed gave me support. So it was necessary after a few attempts...

Your BMS is like unfuncionaly??? My work, only app view not work ?. I write an Factory contact and wait aswear. Maybe will reply.

I mean some universal number or code. I'm pretty sure the manufacturer will have some code that will apply to all BMS of the model. I have no idea why my BMS threw an error like this after 9 months of operation. thank you for any observations. in case of information from the manufacturer, I...

she also managed not to fill in the correct password on bms after about a year of operation. I'm not sure that I would change the production password 1234 or 123456, but it is certain that the password does not work. The factory settings are not even possible with the button, etc. I do not see...