中文
含义
L3 为变频器过流保护。变频驱动电路电流超过额定值。
常见原因
- 压缩机堵转或短路
- 变频板 IPM 损坏
- 直流母线异常
自助排查
- 断电后检查压缩机绕组
- 检查变频板
- 联系大金售后
English
Meaning
Inverter overcurrent protection. Inverter drive circuit current exceeded rated value.
Common Causes
- Compressor stall or short circuit
- Inverter IPM damaged
- DC bus abnormal
Self-Check Steps
- Power off and check compressor windings
- Check inverter board
- Contact Daikin service