When inserting in the tower, some configuration leads to an inserter hanging above the tower.

Setup:
I have wood seeds + peat on a belt, with a single burner inserter inserting seed + fuel in the tower.
If the inserter picks up seeds first (e.g. belt going north, seeds on the left), it will never stop adding seeds to the tower, even if the tower has reached the max of 10 seeds. It will simply hang over the tower with a seed in hand. This eventually causes the tower to brown out.

In game fix:
It is easy to fix in game, just wire the inserter to the tower, read contents and set blacklist filters on the inserter. This way seeds are blacklisted if there is some on the tower, and that let the inserter pick up fuel.

EDIT: this was already reported sorry. I can't delete the thread sadly.