中文
含义
J8 为膨胀阀故障。电子膨胀阀或其驱动电路异常。
常见原因
- 膨胀阀线圈损坏
- 膨胀阀阀芯卡死
- 膨胀阀驱动板故障
- 连接线接触不良
自助排查
- 检查膨胀阀线圈阻值
- 检查驱动板输出
- 联系大金售后
English
Meaning
Expansion valve fault. Electronic expansion valve or its drive circuit is abnormal.
Common Causes
- Expansion valve coil damaged
- Valve stuck
- Valve driver board fault
- Loose wiring
Self-Check Steps
- Check expansion valve coil resistance
- Check driver board output
- Contact Daikin service