1.出现故障时应及时停机，初步检查，如遇无法解决的问及时联系相关售后人员，结合初步检查
配合售后人员及时排除故障。
When the fault occurs, the machine should be stopped in time, and the initial inspection should be carried out. If the
problem cannot be solved, the relevant after-sales personnel should be contacted in time, and the initial inspection should
be combined with the after-sales personnel to solve the problem in time.
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