On the day that you have a sharp pain in your head for no apparent reason, would you ask your close friend to come around to your place to take a look at your head and prescribe medication to alleviate the oain for you? What if he or she has no qualifications whatsoever in the medical field? And yet that is what people tend to do when something goes wrong at home, even if their friend only has the prior experience of assembling a table from IKEA. And in my personal experience, pushing four legs into the base of the table top does not give you an Engineering Degree from MIT.
Definitely, not every refrigerator repairman has graduated from MIT, but they are qualified professionals who have dedicated their career to understanding about the ins and outs of the product. Just like entrusting the car workshop to take a look at your car when something does not seem right, it makes complete sense to seek professional help when your refrigerator needs repairs done. After all, since it is only logical to approach a lawyer to settle legal matters and a plumber to fix the toilet, then it is only logical to get a professional refrigerator repairman for assistance.
Also, as mentioned earlier, a fridge repair professional will be able to give you a warranty for services rendered. While this may seem like a redundancy, however, the ease of mind it gives you is incomparable. Bearing in mind the costs incurred of repairing your refrigerator is only a small amount of procuring a new set, add in a warranty and again it makes so much economic sense over both buying a new one or doing a DIY for repairs. In short, hire a professional when things go wrong, and you will not be paying any unnecessary billings.