中文
含义
室外风机故障——电机不转、转速异常或反馈信号丢失，影响散热和系统效率。
常见原因
- 室外风机电机绕组烧毁或轴承卡死
- 风机启动/运行电容损坏
- 风机驱动模块或继电器故障
- 风叶被杂物卡住或变形
- 风机线束连接器松动或氧化
- 电机霍尔传感器损坏导致无转速反馈
自助排查
- 断电后手动转动室外机风扇，检查是否卡滞
- 清理风扇叶片及周围的杂物
- 用万用表测量风机电容容量是否正常
- 检查室外机接线端子及连接器是否松动氧化
- 若风机仍不转，需更换风机电机或驱动模块
English
Meaning
Outdoor fan motor fault — motor not spinning, abnormal speed, or RPM feedback lost. Affects heat dissipation and system efficiency.
Common Causes
- Burned-out outdoor fan motor winding or seized bearing
- Damaged fan start/run capacitor
- Faulty fan driver module or relay
- Fan blade obstructed by debris or deformed
- Loose or corroded fan wiring connector
- Damaged Hall-effect sensor causing no RPM feedback
Self-Check Steps
- Power off and manually rotate the outdoor fan to check for binding
- Remove debris from the fan blades and surrounding area
- Measure the fan capacitor capacitance with a multimeter
- Inspect outdoor unit terminal block and connectors for looseness or corrosion
- If the fan still does not run, replace the fan motor or driver module