L4 - daikin Air Conditioner

中文

含义

L4 为散热器温度异常。变频器散热器温度过高。

常见原因

1. 散热器风扇不转
2. 散热片积灰
3. 室外环境温度过高
4. 变频器负载过大

自助排查

1. 清洁散热器
2. 检查散热风扇
3. 改善通风条件

English

Meaning

Radiator temperature fault. Inverter heat sink temperature too high.

Common Causes

1. Radiator fan not spinning
2. Dust buildup on fins
3. High ambient temperature
4. Inverter overload

Self-Check Steps

1. Clean the radiator
2. Check cooling fan
3. Improve ventilation