No undercut, 1mm suk back on peno, 2mm reinforcement

hello there, Im in process of doing my 5G pipe weld on mild steel test, the pipe is 80mm O.D bevelled at 30'degrees Prep: knife edge root face, 1.6mm root gap root: 170-175amps using laywire tech, on a 2.4mm filler rod, im getting peno but its not beading its always flat, how can i fix this ? my fil...