Get guidelines on recognizing warning indications along with uncommon noises or smells coming from an air conditioner; early detection

https://privatebin.net/?d32cde912ebed1ea#7J6CcQ6h7zEmhdar6v9NE6hW7ZkMYkKiwWpyhkiC7QWA

Get data on spotting warning indications corresponding to uncommon noises or smells coming from an air conditioner; early detection ends up in well timed interventions fighting further destroy down the street!