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Turning the appliance on and off is not enough. You need to know what to check and what to look for during the demonstration in the sales area.   Appearance   The microwave oven is inspected from the outside and inside. The reason for refusing to buy may be:   – defects in the paintwork: scratches, chips, scuffs; – dents and other damage to the body; – swelling and bubbles on the inner surface of the microwave oven; – tightness of the door fit.   If there are no complaints about the appearance, pay attention to other points.   Buttons   When inspecting the microwave oven, before connecting to the network, the buyer can only make sure that all the controls are present. There are three types of them:   Mechanical. Two rotary knobs, one to adjust the power, the other to set the cooking time   Push-button. Buttons on the control panel for setting programs and cooking time   Touch screen. The touchscreen is used to control the appliance.   You can only test the functioning of the buttons when you test the different modes of the appliance.   Door   If the door of the microwave oven is not externally damaged, check whether the safety relay is working.  
  1. Connect the microwave to the mains.
  2. Place a glass container with water on the rotating circle.
  3. Test the operation of the microwave oven at maximum power for two minutes.
  If you try to open the door, the microwave should automatically stop heating. After closing the door and turning on the oven, it should continue to operate.   Package contents   In addition to the device, the package includes baking racks, a glass dish, an instruction manual, and a recipe booklet (not for all models). The equipment varies from model to model, so it is important to check that all items listed in the instructions are included.  

How do I check the microwave oven for proper operation?

  If you find any defects or incompleteness during the inspection of the microwave oven, it is time to check each of the available modes.   Standard   The standard mode of the microwave oven uses only microwaves to heat food. The procedure for this test is to heat 200 ml of water at maximum power for two minutes. When the buzzer goes off, open the door. The water should be hot. The heating temperature depends on the power settings of a particular model.   Grill   To test the grill, run an empty microwave oven in the appropriate mode for one minute. After switching off, put your hand near the heating elements without touching them. They are located in the upper part of the cooking space. If heat is emitted from the heating element, the grill is working! If there are several heating elements, it is important to ensure each one is working.   If you smell burnt engine oil when checking the heating element, there is no reason for concern. The smell indicates the burning of the protective grease applied to protect against corrosion during storage. If there is no odor, it is likely that the microwave has already been used.   Convection   In this mode, the microwave creates conditions identical to an oven. To check the operation of the microwave in convection mode, it is advisable to wait until the temperature reaches 100°C. The first time you start the microwave in this mode, smoke may appear. You should also beware of this: when you restart the convection, there should be no smoke.  

What to look for?

  It is important not to lose sight of the noises made by the device during operation. Vibrations indicate improper fastening of the lid, lack of gaskets, or malfunction of the internal cooling fan.   In addition, you should be alerted if the seller offers to buy a microwave oven from the showcase. This fact often indicates that they are selling illiquid goods – incomplete with a defect after troubleshooting the problems identified before the sale.   Buying household appliances involves a standard algorithm of the seller’s actions, honed to the smallest detail. He opens the box, takes out the device, demonstrates the product, turns it on and off, comments on his actions and the result of the inspection, and then makes notes on the warranty card. From this point on, problems may arise when returning or exchanging the goods. To avoid becoming a victim of evil workers, it is important to participate in the microwave oven inspection, ask questions, ask to see other models, or refuse to buy from a particular store if you have doubts.   It’s time to call for professional appliance repair in San Diego county. San Diego Appliance Repair Service is here to help with professional and experienced appliance repairs.   Contact us   (619) 719-5005   [email protected]