A1 - 大金 空调

中文

含义

A1 为室内机 PCB 故障。室内机主控制板检测到内部电路异常。

常见原因

1. 控制板元件损坏
2. PCB 焊点老化或开裂
3. 控制板受潮或进水
4. 电源波动导致元件击穿

自助排查

1. 断电 10 分钟后重新上电
2. 检查控制板是否有烧焦痕迹
3. PCB 故障需专业维修，联系大金售后

English

Meaning

Indoor unit PCB fault. The main control board has detected an internal circuit abnormality.

Common Causes

1. Control board component failure
2. PCB solder joint aging or cracking
3. Control board moisture or water ingress
4. Power surge damaging components

Self-Check Steps

1. Power off for 10 minutes then restart
2. Check control board for burn marks
3. PCB fault requires professional repair; contact Daikin service