11 - mitsubishi Air Conditioner

中文

含义

故障码 11 为功率模块故障。IPM 功率模块检测到异常。

常见原因

1. IPM 模块过流
2. 模块散热不良
3. 直流母线电压异常
4. 模块本身损坏

自助排查

1. 断电冷却后重启
2. 检查散热条件
3. 联系三菱电机售后

English

Meaning

Code 11: Power module fault. IPM power module detected abnormal condition.

Common Causes

1. IPM overcurrent
2. Poor heat dissipation
3. DC bus voltage abnormal
4. Module damaged

Self-Check Steps

1. Power off, cool down, restart
2. Check cooling
3. Contact Mitsubishi service