中文
含义
机器人前方碰撞传感器（保险杠）信号异常，无法正确检测碰撞或障碍物，导航和避障性能受到影响。
常见原因
- 保险杠与机身之间卡入碎屑阻碍伸缩回弹
- 保险杠内部微动开关触点氧化或卡滞
- 保险杠复位弹簧疲劳变形，无法正常归位
- 保险杠装饰盖松动影响触碰灵敏度
- 传感器排线接触不良，信号间断
自助排查
- 检查保险杠是否能自由前后伸缩，有无肉眼可见的卡顿
- 用压缩空气吹扫保险杠缝隙，清除内部碎屑
- 用手指按压保险杠各段，确认微动开关触发声音清晰一致
- 检查保险杠与机身之间的间隙是否有异物
- 清洁后如果保险杠伸缩正常但E08仍然存在，可能是电路板传感器接口问题
English
Meaning
The robot’s front bumper collision sensor signal is abnormal, preventing correct obstacle detection. Navigation and obstacle avoidance performance are affected.
Common Causes
- Debris lodged between the bumper and the chassis, restricting movement
- Oxidized or stuck microswitch contacts inside the bumper mechanism
- Bumper return spring fatigued or deformed, preventing proper reset
- Loose bumper trim cover affecting touch sensitivity
- Intermittent signal due to poor contact in the sensor ribbon cable
Self-Check Steps
- Check whether the bumper slides in and out freely without visible binding
- Blow compressed air into the bumper gaps to clear internal debris
- Press each section of the bumper by hand and confirm an audible, consistent microswitch click
- Check the gap between the bumper and body for lodged objects
- If the bumper moves freely but E08 remains, the sensor interface on the circuit board may be at fault