Appliances can be deceptively low-maintenance. Take your refrigerator, for example. It's easy to assume it's quietly doing its job in the background, on autopilot. And, to be fair, it usually is. But ...

It's always a pain when a fridge or freezer stops working. Not only do you have a faulty appliance to deal with, but you also have the ticking clock of perishable foods that you want to keep from ...