Why does the cabinet-door sealing area of the appliance is hot and condensation occurs?

You may encounter a situation when the cabinet-door sealing area of the appliance is hot and Condensation will occur. It is normal for your fridge's cabinet door to be warm because anti-condensators are installed in the vertical hinged section of the sealing area. Meanwhile, condensation occurs when you leave the door open for a long time. To avoid this, make sure the fridge door is closed properly.

Below mentioned are some points to verify :

● Some heat is normal as anti-condensators are installed in the vertical hinged section of the refrigerator to prevent condensation. 
● Is the refrigerator door ajar? Condensation can occur when you leave the door open for a long time.