故障存储器允许用户和计算机记录的问题，通过使用的，观察趋势可能表明需要修改的过程中，故障排除或预防性维修。
Fault memory allows the user to record problems and, through the use of a computer, observe trends that could indicate a need for process modification, troubleshooting or preventive maintenance.
本文结合V12绘图仪的实际维修对该设备接口电路进行了详尽地分析，列举了接口电路的常见故障并给出了相应的故障排除方法。
In combination with the practical maintenance of V12 plotter, the paper analyzed in detail the interface circuit of the equipment and gave the troubles easily appeared and removing methods.
本文主要讲述了数控机床常见电气故障的分类，遇到电气故障时的检查与分析方法，常见电气故障的维修与排除办法。
This article mainly deals with different types of electric faults of numerical lathes, as well as approaches to examine and analyze the faults and commonly used ways of maintenance and faults removal.
介绍了721型分光光度计，灯电源电路和稳压电路故障现象，分析了故障产生的原因，提供了排除故障办法，对该仪器维修提供了借鉴的经验。
This paper introduced some common faults of 721 spectrophotometer, found out the cause of formation, and presented fixing method, it may be used for instrument maintenance for reference.
笔者从数控系统的构成与特点、故障分析与诊断及故障排除等方面论述了维修数控机床的方法。
The method of maintaining NC machine tools is discussed by the aspects of the structure and characteristics of the NC system, fault diagnosis and analysis, fault elimination and so on.
提出了对该种现场故障的排除方法，为该焊接过程的方法改进和故障维修提供了理论依据，也为焊接主线的生产管理提供参考。
The methods solved are suggested. It is also a theoretical basis and reference for improving the welding approach and maintenance, as well as the production management.
设有故障查询提示系统和完善的人机对话功能，可进行即时故障查询，缩短了故障排除时间并可实现远程控制维修。
A malfunction checking system and a perfect dialogue system ensures instant malfunction checking and long-distance control and maintenance, and shorten the time for eliminating malfunction.
设有故障查询提示系统和完善的人机对话功能，可进行即时故障查询，缩短了故障排除时间并可实现远程控制维修。
A malfunction checking system and a perfect dialogue system ensures instant malfunction checking and long-distance control and maintenance, and shorten the time for eliminating malfunction.
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