Detected mainly wind, air pressure, input power, speed, range, energy efficiency and so on. Fan noise detection and fan vibration detection is mainly based on GB / T 2888-2008 "fan and blower noise measurement method", JB / T 8690-1998 "industrial fan noise limits", JB / T 8689-1998 "fan vibration detection and restrictions ", GB 9068-1988" Determination of heating, ventilation and air conditioning equipment noise sound power - Engineering method ", GB / T 3767-1996" Determination of sound power levels of noise sources reflecting plane freedom sound pressure field engineering method. " Fans routine maintenance and troubleshooting methods, whether any of the products, using the process requires care and maintenance fan, so as to increase the life of the product and not easily fail. Daily suction fan maintenance needs to do the following: 1. Regularly check the fan motor roof fan manufacturers, skeletons and other parts of the screws are loose 2. Regularly check the fan blade screws are loose 3. Check the fan motor running good roof fan, there is No slow start has a buffer, and so too has the noise 4. Check the fan control switch is stable, maintain a good line 5. Check whether the voltage stability and maintaining good lines 6. Keep the blower fan model _ Hao Yang Clean Air Conditioning Equipment (certified) _ Fan Yang Hao provided by the Texas Air Conditioning Equipment Co., Ltd .. Air Conditioning Equipment Co., Texas Hao Yang (www.dzhykt.com) is Dezhou, chemical fiber fabric, lining leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hao Yang air conditioning equipment in leadership with the staff warmly welcome all inquiries negotiations to create Hao Yang air conditioning equipment a better future.