Geeetech

Hej.
I just got my new printer. A Geeetech a10t.
But at first it keeps going back to mixing the filaments: 33; 33; 34.
now i have a new program:
G28 ;Home
G1 Z5 ;move Z to 5
G92 E0 ;set e to 0
G1 E1 ;move move e 1
G92 E0 ;set e to 0
M163 S0 P1
M163 S1 P0
M163 S2 P0
M164 S0 ;T0 equals 100/0/0
M163 S0 ...