I o battery Problem JVL Retro

[Lash]

Hi,

First Post here.

first i had  Problem with the io battery, so i changed it.

When i now start the jvl retro i become a screen showed File system corrupted, factory reset Requiem
Press setup Button

So i push the Button and he make the factory reset 100 percent.

After that i become again a screen that the Power on the io board is to low.

When i push the Button he start the game Menge.

What can i do now?

[Lash]

And the Software version

[Lash]

So i cleaned the battery on the Mainboard with soap and water.
Aber that the screen Showeinlagen again the Massage and i pushen the Service Button.

I saved the changes and now All works fine.