Performed diagnostic on 11 yr old main floor carrier unit, upon arrival customer stated unit stopped working, checked tstat, went into attic and inspected units, noticed neither system has flood protection such as wet switch, recommend wet switch to prevent water leaking on ceiling, filter, blower wheel, noticed unit is a 3 ton system, unit has 1340cfm of supply and only 960 cfm of return, customer is short on airflow, recommend increasing 12” to 14” return, upon inspection of outdoor unit found not running, no 240v, found tripped breaker, reset breaker and it trip instantly, checked compressor, failed compressor, gave option to replace compressor, customer chose to have install supervisor come and give quote on updated system, spoke with customer about home care for 3 system , also spoke about indoor air quality such as UV lights, customer will look over booklet and let us know, system not working at time, install supervisor scheduled for tomorrow morning