A/c diagnostic in Duluth. Indoor unit is running but not the outdoor condenser. Found a bad secondary motor controller. Checked both systems one is in the attic. Blower wheel is clean, evaporator coil is clean, drain line is good, changed filter. System is cooling at this time. 2nd unit is in the basement. Main level blower wheel is clean, evaporator coil is clean, drain line is clean, changed filter. System is cooling at this time.