New Amazing Question releated to Liebert

Salam To All I am new comer in this forum but i have one problem i come here for finde the solution for that broblem :):):)
Problem is this i have Liebert AC for IT room model no is 200a0031v10pl$2b2180 and siral no is 2128530001 and manufacture from Italy
befort its working good just i replace it and change its all Pipe now there is one problem the comprocesor of ac automaticaly trip and then dont start when we resat the ac then it startbut when the comper trip the ac dont give me alarm if another problem come it give us alarm
we chacked it high pre and low pre and every thing but i cant solve this problem
can any person tell me about this i am waiting
if any person have the manual book of that ac so plz give me becoaz in the screen of ac controlar all words come in code word in in english so that i cant understand that:):):)

Hello Bilujee.
What replacements you did - and, why? (what there was before, and what there is now ?)