It was a firmware update. I installed the new firmware and the problem was solved. It took a half hour of troubleshooting with a Seplos tech and he figured it out!
I need help, I have a Mason box too. I was completing the first discharge after bringing the battery up to 100%SOC. At one point the BMS just shut down (I assume that the undervoltage protection kicked in) now I can not get the BMS to turn on.
To bring the SOC back to 100% I had to charge the...
I did check the fuse and it is okay. I charged up the battery on the backside to 100% SOC. I thought that once it was charged that it would override the undervoltage protection. No Luck.