Upon arrival concern was brought up on downstairs cooling Performed evaluation and base Tune up standards Washed condenser and tightened connections Replaced filter - Delta 18 Inspection performed on zone system and Dampers Downstairs damper fails initial gear open and zone board provided mixed signals - used temp wire to test with constant 24v Was able to open fins to provide airflow - has rectangular folds inside duct board box for each damper system Airflow not guaranteed due to mixed signals and failed mechanism Indoor motor has loose rod/bearings - builds high irregular heat Recommended zone board and dampers Recommended flame sensor/ignitor - high wear Recommended OEM indoor motor - has OEM custom mounting brackets for specific motor Recommended outdoor condenser motor due to loose rod/bearings Recommended Soft start due to 150LRA starting Amperage - extremely high for current/future high voltage electrical of system and home XCI zone board - TrollATemp Dampers.(Current desig