L1 - 大金 空调

中文

含义

L1 为室外机主 PCB 故障。室外主控制板电路异常。

常见原因

1. 主控板元件损坏
2. 电源电路故障
3. 控制板受潮或进水

自助排查

1. 断电后检查控制板
2. 观察是否有明显损坏痕迹
3. 联系大金售后更换

English

Meaning

Outdoor main PCB fault. Outdoor main control board circuit abnormality.

Common Causes

1. Main board component failure
2. Power circuit fault
3. Board moisture or water ingress

Self-Check Steps

1. Power off and inspect board
2. Check for visible damage
3. Contact Daikin service for replacement