Samsung NX58H9500WS/AA Service Manual page 80

Flame size is too big or too small
Flame size is
too big or small.
*Check the orifice nozzle diameter.
Ok
*Check the orifice direction at GPR.
Ok
END
No
*Replace the orifice nozzle.
No
*Reverse the direction of the orifice.
[Upside down]
LP
NG
80
END
END