Based on the irregular situation of SERES apparatus V2 value, the paper discussed the causes analysis, seeking for roots, solving and prevention. The the process of fault solving, the principle of experiment analysis theoretical guidance and monitoring data proving. Through comparing the data before and after the apparatus fault, we carefully seek for the fault causes to find the fault and on the basis of summarizing this experience, the effective preventative measures are proposed for better maintaining of this apparatus.%针对SERES仪器V<,2>值出现与往常故障不同的异常情况,展开对该故障原因分析、排查、解决和防治的探讨.在解决故障的过程中,始终坚持实验分析理论指导、监测数据求证的原则.通过对仪器故障前后数据比较,认真、细致地寻找故障原因,确诊故障症结,并在总结此次经验的基础上,提出有效的预防措施,为更好地维护该仪器提供了一条新途径.
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