中文
含义
洗衣机门锁电机驱动故障，门锁PTC或电机无法正常工作。
常见原因
- 门锁PTC加热元件损坏
- 门锁电机线圈断路
- 门锁机械机构卡滞
- 门锁供电电压异常
- 主控板门锁驱动电路损坏
自助排查
- 测量门锁PTC加热元件电阻值
- 检查门锁供电电压是否正常
- 手动检查门锁推杆能否自由活动
- 检查主控板门锁驱动电路输出
- 检查线束插头有无氧化或松动
English
Meaning
The washer door lock motor drive is faulty; the door lock PTC or motor cannot operate.
Common Causes
- Door lock PTC heating element damaged
- Door lock motor coil open circuit
- Door lock mechanism jammed
- Door lock supply voltage abnormal
- Main board door lock drive circuit damaged
Self-Check Steps
- Measure PTC heating element resistance
- Check door lock supply voltage
- Manually check lock plunger free movement
- Check main board door lock drive circuit
- Check connector for oxidation or looseness