J5 - daikin Air Conditioner

中文

含义

J5 为变频器故障。变频驱动电路检测到异常。

常见原因

1. IPM 功率模块损坏
2. 直流母线电压异常
3. 变频板元件烧坏
4. 散热不良导致过热

自助排查

1. 断电 10 分钟后重启
2. 检查变频板是否有烧焦痕迹
3. 联系大金售后更换变频板

English

Meaning

Inverter fault. The inverter drive circuit detected an abnormality.

Common Causes

1. IPM power module damaged
2. DC bus voltage abnormal
3. Inverter board component burnout
4. Overheat due to poor cooling

Self-Check Steps

1. Power off for 10 min then restart
2. Check inverter board for burn marks
3. Contact Daikin service for board replacement