Laser module probably doesent load

Hi all.
I m a newbie in smothieware. I m convertong a stock K40 to something better using this firmware and skr 1.4 turbo. All ok configuring axis and endstops. Also step/mm. I m trying to get laser module to work but i cant get ttl or pwm on. Pins are 2.4 2.5 2.7 (mosfet). I copie conf from module wiki making attention to columns in the file. Also tried m106 fof each pin to test. When i try G1 or m3 or M1000 fire xx it does not work (no test led goes on). The fire command i found in wiki told me it does not exist… How to check laser module?