also the antenna is run by other wires and was run on the bottom of the plane through the grass.

Through the grass? Huh?

I didn't read a word about a range check. Did you do one?

I think you are saying "the plane went nuts after landing, the engine went WOT and the plane veered off somewhere on the ground but didn't takeoff again". Your description is vague so pardon our confusion.

PPM or PCM radio with failsafes set? If PPM, maybe landing shook something loose or affected the RX somehow.