8 - mitsubishi Air Conditioner

中文

含义

故障码 8 为通讯故障。室内外机之间通讯中断。

常见原因

1. 连接线断裂
2. 通讯端子松动
3. 控制板通讯电路损坏

自助排查

1. 检查内外机连接线
2. 断电重启
3. 联系三菱电机售后

English

Meaning

Code 8: Communication error between indoor and outdoor units.

Common Causes

1. Wire broken
2. Terminal loose
3. Control board comm circuit damaged

Self-Check Steps

1. Check wiring
2. Power cycle
3. Contact Mitsubishi service