1. If hot food is stored without cooling it down, it may cause dew forming or water leakage. 2-1. Especially, in high temperature and humidity weather in the summer, more dew may be formed, 2-2. so store hot food after sufficiently cooling it down. 3-1. If the refrigerator door is not completely closed, cold air will leak, 3-2. and dew may be formed on the ceiling. 4-1. If there is too much food inside interfering with bottle shelf, 4-2. or if the assembly after disassembly/cleaning is switched, 4-3. the door is not tightly closed and will cause dew forming or water leakage. 5-1. If there is dew forming inside, wipe with dry cloth, 5-2. and be careful not to leave the door open for a long period of time.