CONFIDENTIAL PROJECT NAME | date 项目名称 | 日期 23
Code meaning：Machine head overturned abnormally
Solution：
1、Check the machine head if overturned or not
2、Check if the blue plug of the adapter board is
loose or not
3、Press the overturning sensor of machine head, then
start the machine to see if the error
4、Change the sensor
Error code（E302）
Trouble removal-Common errors
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