-Performed CMA Full Service on 3 Package Heat Pumps. -Upon arrival, customer stated System 1 has not been working properly. States outdoor fan motor does not operate when system should be running. -System 1: Observed flash code 4: Hard Lockout. Pressures and temperature differences in heating and cooling modes seem within spec. Outdoor fan motor amperage high. Rated at FLA 1.0, running at 1.23-1.32 A. Suspect outdoor fan motor is overheating, causing pressures to rise too high and system to go in lockout. Recommend replacement of outdoor fan motor. 1/5 hp, 850 rpm, 208/230 V. Informed customer and provided estimate for replacement $817.78. Approved on site by Steven. Customer expressed concerns over frequent operation of auxiliary heat. Found heat pump operating properly and heat strips working as intended. -All systems now operating correctly.