Customer name is spelled Sacnite Razo. Customer reported indoor coil frozen earlier. System was defrosted on arrival due to customer leaving it off. A coil looks severely impacted by dust and dirt. Fins are in very poor and deteriorated condition. Tech suspects indoor A coil cannot be sufficiently cleaned without risking further destroying fins. Electric furnace and indoor coil are severely corroded. Tech called for cooling and recorded cooling and heating R22 operating pressures. System is very low on R22. Data tag is missing. Tech doesn’t know how many lbs of R22 factory charge the system takes. Tech estimates based on system size that it needs 8 lbs of R22 plus or minus a few to get system properly charged. Compressor contactor is in poor condition. 7.5uf blower capacitor is reading very low at 3.3 uf. Top heat strip wire is burnt off inside electric furnace. Bottom heat strip is unplugged due to one pole of 3 stack sequencer stuck closed. 1 of 3 heat strips turns on and off