Article source: Beijing Hisense Air Conditioning Repair Phone http://blog.tianya.cn/blogger/blog_main.asp?BlogID=3489688. Fault Phenomenon: After power-on, the power indicator light stays on, the operation indicator light flashes, and the indoor unit can work normally, but the outdoor unit does not work. Hisense KFR-35GW air conditioner, outdoor unit does not work. Solution, Beijing Hisense Air Conditioner Repair Phone: Unplug the control signal connector and directly solder all wires to the circuit board, eliminating the fault. Analysis and Maintenance: Analyze the fault phenomenon, try to remove the indoor unit cover, the power indicator light suddenly goes out. Further inspection shows that the +12V power supply from the outdoor unit is normal. Repeated testing of the indoor unit control signal line connector reveals that the display is sometimes normal and sometimes abnormal, indicating a poor control signal connector.