CNC 5th axis

Hello everybody,
I have started work with diy soldering paste dispenser:


I have problem with 4th axis. Code is recompiled for 6 axis and cnc variant.
But motor on A axis doesn’t work…
So, motors configuration is below:
# A axis

  • delta_step_pin 2.3 # Pin for delta stepper step signal*

  • delta_dir_pin 0.22 # Pin for delta stepper direction*

  • delta_en_pin 0.21 # Pin for delta enable*

  • delta_current 0.5 # Z stepper motor current*

  • delta_max_rate 50000.0 # mm/min*

  • delta_acceleration 500.0 # mm/sec²*

  • epsilon_current 0.5 # Z stepper motor current*

  • epsilon_max_rate 50000.0 # mm/min*

  • epsilon_acceleration 500.0 # mm/sec²*

  • zeta_current 0.5 # Z stepper motor current*

  • zeta_max_rate 50000.0 # mm/min*

  • zeta_acceleration 500.0 # mm/sec²*
    Si it correct ?
    I tried to send G02/03 codes like : G2 X100 J5 but without success.

Do you have clues to go forward ?

Cheers

More info please. Controller board and firmware.

Thanks for feedback - Smoothie 1.1
http://smoothieware.org/smoothieboard-v1
Firmware:
http://smoothieware.org/6axis