PM found 1648 a/c fault 1-1. To rectify ~~~~~ PM found 1648 a/c fault 1-1. To rectify nl3ffcheck and found 1648 A/c 1-1 and 3647 Aircon 2-2 fault. Found 1648 Aircon 1-1 and 3647 a/c 2-2 with low freon 20 psi, Top up to 40 psi, 4kg and function test and no sign of leak. Done by Kamal/Lingkes 25.11.2023