Leak or overflow

[L911]

When my waste tank shows "4-4" at the control panel, I develop a "leak" Under the trailer floor and water runs out the bellypan seam.

I cant see any leaks in the rear compartment intake or drain lines. I'm assuming the leak is coming from a crack in the top of the tank or is this some kind of "overflow" when the tank gets close to being full? According to the control panel, I have one more "light" to go before its full, unless im reading it wrong....

When we replaced the carpet & vinyl I pulled the toilet and didnt see any leaks in the tank area.

[SteveSueMac]

I'm guessing overflow. The meter isn't that accurate. Even if you have more room according to the meter, you may be at/over capacity by that point.