Gas prusere checking jobe must work es amper checking R4410 ok gas suchion prsuree ok checking lo ok cherging find out gas shre go find ouf out lecking reparing afyer sushion gas low gas cherging r410 suchion 120t130psi ok discherge down charging 450to500ok chergingprsure up doen purssure mor comd ok goo amper ok checkinv solvring ok