There are a number of ways to tell when you need professional help with your appliances and these are the easiest to recognize:
Strange smell. If your fridge, freezer, microwave or washer is making an unusual smell it may be time to make a call. It may be something simple like something stuck in a wheel or filter so take a look around and see what you see.
Funny sounds. If you happen to hear some strange sounds coming from your appliances this is a sign there could be something wrong. Always give it a general inspection but if you are really worried call a repair person.
Not working right. If your appliance isn’t working the way it used to or only doing a partially finished job it may need some repairs or replacement parts. Sometimes it is too far gone and just needs replacement but a simple phone call will let you know.
Flickering lights. If you notice the lights or dials flickering and flashing it could be a sign something is not right. You may need to change power sources if not it could be an internal issue requiring repairs.
If you find your appliance is having some issues it may be time to call the professionals. If it costs more to fix it then to buy a new one you clearly have your decision made for you. Many small appliances can be easily repaired though saving you a small fortune throughout the years.