J8 - 大金 空调

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

1. 膨胀阀线圈损坏
2. 膨胀阀阀芯卡死
3. 膨胀阀驱动板故障
4. 连接线接触不良

自助排查

1. 检查膨胀阀线圈阻值
2. 检查驱动板输出
3. 联系大金售后

English

Meaning

Expansion valve fault. Electronic expansion valve or its drive circuit is abnormal.

Common Causes

1. Expansion valve coil damaged
2. Valve stuck
3. Valve driver board fault
4. Loose wiring

Self-Check Steps

1. Check expansion valve coil resistance
2. Check driver board output
3. Contact Daikin service