Refrigerant Here to search for results from dye testing that was conducted on 1st floor system. And kitchen / family zone system. Remove door covers to inspect evaporator coil with UV light to see signs of dye. Dye was discovered @ U bend and copper joint for kitchen/family room unit. Inspected condenser, remove fan motor to thoroughly search condenser coil. Did not see any signs of dye @ condenser however there’s a possibility of dye showing up @ a later time. Refrigerant pressure were low than where previous charge was left when adding dye and adjusting refrigerant levels. Customer was made aware of all discoveries. 1st floor system did not show any signs of dye @ indoor evaporator coil or condenser when inspected. However refrigerant pressures were @ 0psi. Found 1st floor unit completely flat, indicating a significant leak. Advised customer to consider replacement options for both 1st floor system and kitchen/family room zone. Customer choose to add refrigerant to 1st floor system