Listen Closely: Diagnosing Your Machine by Sound (The Click, The Hum, The Squeal)
Modern appliances are supposed to tell you what is wrong. You wait for a digital error code like “F21” or “E4,” look it up in our database, and find the fix. But what if there is no code? What if there is just a terrifying noise? Technicians often diagnose a machine before they even touch … Read more