Check 1 unit Ac Check pressure amps on fan and compressor .blower motor Check relay contactor and run cap Found unit to have bad run cap and contactor Removed and replace 55mfd and 2 pole contactor Filter clean Clean indoor and out door coil Data log info inside control panel and ST Test unit in cool at Tstat unit running proporly at this time of service in cool First Service completed today for VIP No recommendation at thia time