Technicians arrived and found system not engaging when cooling was called. Primary drain line was found to be clogged with debris and the secondary float switch was triggered. Technicians removed clog from drain and had to rebuild primary drain in order to clear debris and access filter. Existing 16x20x4 filter was found to be dirty and dust and debris were found on coil. During diagnostic the condenser did not engage and upon further investigation the high pressure lock out code was found. Technicians reset the system and replaced 45+10 capacitor with turbo universal capacitor and system began to cool. Technicians recommended replacing filter and continue annual maintenance to ensure system fall within proper specs.