Upon my arrival, the customer was concerned the indoor unit was blowing, but no cold air was coming out. During my diagnosis, I found the outdoor voltage enhancement system to be faulty and reading zero on the Herm side informed customer on my findings. HN13E option. Replaced outdoor voltage enhancement system added a performance enhancement system, and replaced single pole voltage distribution system. Replaced any damage or broken wire terminals. Flushed water removal system and treated heat transfer media coil pan and water removal system cleaned electrical cabinet and washed down condenser with water. performed safety and performance testing and confirmed system is operating to manufacturer specifications at this time.