If your refrigerator stops working out of the blue, the first thing you'll want to check is its plug and power source. Your model may have been unplugged by accident, or your home's breaker could've turned off the electricity to the fridge. If your model just feels warmer than it should be, and is not completely turned off, then you'll want to clean the condenser coils, make sure the temperature is properly set, and check your door seals for wear and tear. For more, you can check out our ultimate refrigerator repair guide.