New Air Conditioner Troubleshooting Examples

Author: Xiao Fengming
Publisher:
Publish Date: 2003-11-01
Features: To meet the increasing needs of consumers for higher quality and functional levels of air conditioner products, allowing people to fully enjoy the comfort and convenience of air conditioners, many protection circuits have been added to the control circuits of inverter air conditioners, such as inverter modules, Hall elements, optocouplers, and drive modules. The enhanced functionality of air conditioners requires maintenance personnel to continuously learn and keep pace with the development of air conditioners. It should be specially noted that due to the different models of air conditioner manufacturers, there is a lack of uniformity in the labeling of circuit diagrams and structural diagrams. To prevent misunderstandings when readers refer to them, the labeling of components in this book still follows the original diagram labeling. During the writing process of this book, we received strong support and assistance from air conditioner manufacturers such as Haier, Changhong, Hisense, Kelon, Midea, Galanz, Hitachi Liangba, Panasonic, Mitsubishi, Daikin, Ingevity, Leihua, Mengpai, Xinfei, Chunlan, Chigo, Gree, and Xindongba Polka. We express our sincere gratitude to them. This book mainly introduces difficult and urgent repair cases and testing techniques for new fixed-speed and inverter air conditioners. It focuses on common fault phenomena, main testing methods, troubleshooting methods, and emergency measures. To facilitate readers' searches, this book provides control circuit diagrams, fault codes, and the meanings of LED indicator lights being on or off for some air conditioners. This book is easy to understand, illustrated, highly practical, and valuable in terms of information. It is suitable for both amateur and professional air conditioner maintenance personnel with junior high school or above education levels as a reference, as well as for auxiliary teaching materials for vocational schools, technical secondary schools, universities, and various levels of refrigeration equipment maintenance technicians and technicians training classes.