During Dt cx found 1570 ac1-2 Fault. ~~~~~ 1570 ac1-2 and 1569 ac1-2 during 3wkly cx both pressure LP (Very Low) and HP (very high) to replace evaporator unit for mention AC.   OPN 10: 1570 A/C #1-2 Found LP/HP - 5/200psi respectively. 1569 #1-2 also found with abnormal LP/HP around 5/250 psi. Symptoms of Evaporator distributor side choke. Isolated above units by removing CMOCR2 wire. OPN 20: Opened OPN 20 for TWD to change out evaporator unit. N.A /Haszhan/31.07.22