Performed CMA full service on two split systems. Replaced filters, cleaned drains and cleaned coils. Checked systems in each mode. 8 year old American standard split heat pump checked good. Cleaned system and replaced filters. Found no challenges. Tech found multiple failures for older R22 RHEEM split system. System is down. 60 amp breaker is tripped for outdoor unit. Since tech (Matthew) was last here in February, low ambient fan cycle switch has been removed. Start Kit has been installed. Outdoor fan has been replaced and new fan capacitor is reading low. Tech found compressor has mechanically failed. Pulled LRA, but will not start. Tech replaced burnt connection at compressor terminal and double checked start and run capacitor reading and wiring. Still fails to start. Diagnosed failed R22 compressor. Indoor coil is very corroded and drain pan is rusting out. Confirmed evaporator is leaking R22. Tech highly recommends full system replacement for R22 RHEEM split system. Tech let G