1. If the purchased defrost refrigerator has the situation that the refrigerator cannot be normalized, then the probability is that the defrost heating tube of the refrigerator is faulty, so that a preliminary judgment can be made;
2. If you want to make the next step of judgment, you must first understand that the user does not have professional tools and maintenance experience and ability. It is recommended that after unplugging the refrigerator and taking out the internal items, contact the official customer service staff or professional maintenance personnel in time for on-site maintenance. /Popular science: Most of the refrigerators used are defrost refrigerators, and the most common problem in defrost refrigerators is not defrosting, the key to this problem, in fact, common is nothing more than the failure caused by damage to three components, defrost timer, defrost switch, defrost heating tube, these three elements, if the defrost heating tube is damaged, you can directly measure the good or bad with a multimeter.
If it is an air-cooled refrigerator under the evaporator, if you open the air duct, take down the terminal and replace it, which is much more convenient than the defrost refrigerator, but the replacement of these components is still best to contact after-sales treatment, first of all, you can't buy the defrost sensor model that matches the refrigerator, and secondly, if you can't replace it well, then fold the evaporator pipeline and the refrigerator will be scrapped.
