9 - mitsubishi Air Conditioner

中文

含义

故障码 9 为过流保护。系统运行电流超过额定值。

常见原因

1. 电源电压过低
2. 压缩机或风机堵转
3. 制冷剂过量
4. 负载过大

自助排查

1. 测量运行电流
2. 检查电源电压
3. 检查负载

English

Meaning

Code 9: Overcurrent protection. Operating current exceeded rated value.

Common Causes

1. Low supply voltage
2. Compressor or fan stall
3. Excess refrigerant
4. Overload

Self-Check Steps

1. Measure operating current
2. Check supply voltage
3. Check load