Purged drain hose and drained evaporator drain pan, sealed drain hole on both evap. And condenser side, added zip ties to have a slope into condenser pan. Identified main lobby ac handler, secondary drain pan float switch was stuck closed in its upward position, unit responded when float switch was back to open [downward] position…
Read morePurged Drain Hose and Drained Evaporator Drain Pan
