中文
含义
E9 为变频压缩机驱动故障。变频驱动板将直流母线电压转换为压缩机所需的三相交流电，驱动故障会导致压缩机不启动或异常停机，冰箱不制冷。
常见原因
- IPM 模块损坏
- 压缩机绕组短路
- 启动电流过大
- 直流母线电压异常
- 压缩机机械卡死
自助排查
- 断电 10 分钟后重新上电，观察压缩机是否尝试启动（通常能听到轻微嗡嗡声）。
- 检查冰箱电源插座电压是否正常，是否使用专用插座。
- 触摸冰箱两侧和背部是否有温热感，完全不热说明压缩机未工作。
- 若压缩机完全不启动且 E9 持续报警，变频驱动板可能损坏。
- 变频驱动板及压缩机故障需专业人员维修，联系海信售后服务中心。
English
Meaning
Inverter compressor drive fault. The inverter drive board converts DC bus voltage to three-phase AC for the compressor. A drive fault prevents the compressor from starting.
Common Causes
- IPM module damaged
- Compressor winding short circuit
- Startup current too high
- DC bus voltage abnormal
- Compressor mechanically locked
Self-Check Steps
- Power off for 10 minutes, then power on and observe whether the compressor attempts to start (a faint hum is usually audible).
- Check the refrigerator power outlet voltage and ensure it uses a dedicated outlet.
- Touch the sides and back of the refrigerator; if there is no warmth at all, the compressor is not running.
- If the compressor does not start at all and E9 persists, the inverter drive board may be damaged.
- Inverter drive board and compressor faults require professional repair; contact Hisense after-sales service.