Problems with the fist layer k1c

First of all I’m so so sorry for my English, in not my first language.

I’m having trouble with the diary layers of my printing but is not all the time, I could have a perfect one and the second one is shit, I’m printing abs+ hb eSUN

I already did everything, clean the nozzle, levelling the, cleaning… I don’t know what wrong, I put the z offsite on +0.175 on the expert mode all the time… someone help!! Stefanyzp@gmail.com