L7 - daikin Air Conditioner

中文

含义

L7 为压缩机不匹配。变频器检测到压缩机型号或参数不匹配。

常见原因

1. 更换了不兼容的压缩机
2. 变频器参数设置错误
3. 压缩机接线相序错误

自助排查

1. 确认压缩机型号与原始一致
2. 检查接线相序
3. 联系大金售后

English

Meaning

Compressor mismatch. The inverter detected a compressor model or parameter mismatch.

Common Causes

1. Incompatible compressor replacement
2. Incorrect inverter parameter settings
3. Compressor wiring phase error

Self-Check Steps

1. Verify compressor model matches original
2. Check wiring phase sequence
3. Contact Daikin service