Creating a cool and comfortable shopping environment, decoration city hundreds of "Small Cooling Fan" in constant operation, at the same time sent a cool, high-frequency operation of the fan question whether there is a potential risk that the city has been a concern decoration. Decoration city launched a whole city "Small Cooling Fan" maintenance work. Inspection found on the second floor lamp area, furniture district, on the first floor are three problems plate area fans, fan rotation frequency of abnormal, when rotation of the fan noise. Having identified the problem, electrical shut down these three "Small Cooling Fan", a timely basis to buy parts, install a new fan. In the inspection process, industry, households were told, such as abnormal, immediately turn off fans, staff will conduct a property maintenance service.