You have some corrosion on your battery board. Can you please remove it and take a picture of the MPU behind this battery board with the wiring connected at the bottom as well? Sometimes battery corrosion gets behind and below the battery board.
***Likely not anything related to what zaza is helping with at this time.**
2017-10-01 18_07_44-WPC-S GI question _ Pinside Forum - Internet Explorer (resized).png