Checked all operations in the cooling mode and inspected furnace filter. Checked all electrical components and refrigerant components at the outdoor units. Found that the older unit was extensively dirty and upon customer approval we preformed an extensive cleaning of the unit. Both systems are operating properly at this time. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-E865-99C17E33A9994EF5AC6DBCB026EDD6F4