A5 - daikin Air Conditioner

中文

含义

A5 为防冻结保护。室内换热器温度过低，系统启动保护防止盘管结冰。

常见原因

1. 空气过滤网堵塞导致风量不足
2. 风机转速异常
3. 制冷剂不足
4. 室内环境温度过低

自助排查

1. 清洗室内机过滤网
2. 检查风机是否正常运转
3. 如频繁出现需专业人员检查系统压力

English

Meaning

Anti-freeze protection. Indoor heat exchanger temperature too low.

Common Causes

1. Clogged air filter reducing airflow
2. Abnormal fan speed
3. Low refrigerant charge
4. Low indoor ambient temperature

Self-Check Steps

1. Clean indoor unit air filter
2. Check fan operation
3. If frequent, have system pressure checked professionally