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Industry Information
Analysis of common failures of paperless recorders and solutions
2011-9-26 9:34:07

无纸记录仪 液晶背光亮,但 没有 字符和曲线显示。 1. The LCD backlight of the paperless recorder is bright, but there is no character or curve display.
是不是连接 正常。 Check the meter to see if the cable is connected properly.
无纸记录仪 通道不进数, 也就是 改变通道信号值大小,通道的显示值 没有 任何变化。 2. The channel of the paperless recorder does not count, that is , the value of the channel signal is changed, and the displayed value of the channel does not change.
   1 用万用表在接线端子上测量信号 是不是 正常; ( 1 ) Is it normal to measure the signal on the terminal with a multimeter ?
   2 检查通道模块开关与信号类型 是不是 设置正确; ( 2 ) Check if the channel module switch and signal type are set correctly;
   3 打开表壳,检查通道信号电缆 是不是 接好 ( 3 ) Open the case and check whether the channel signal cable is connected properly .
无纸记录仪 不能正常通 电。 3. The paperless recorder cannot be powered on normally .

       1 检查仪表220V 电源端子接线 是不是 正确; ( 1 ) Check if the instrument 220V power terminal wiring is correct;
   2 检查仪表保险丝 是不是 熔断; ( 2 ) Check whether the instrument fuse is blown;
   3 拧下仪表后的固定螺钉,将表芯从前面抽出,检查电源板的电缆与主板间是否插接好 ( 3 ) Unscrew the fixing screw behind the meter, pull out the watch core from the front, and check whether the cable between the power board and the main board is plugged in .
无纸记录仪 通道丈量数值不准 4. The channel measurement value of the paperless recorder is not accurate .
   1 检查通道参数设置中,信号类型的设定 是不是 与实际接入信号类型一致; ( 1 ) Check whether the signal type setting in the channel parameter setting is consistent with the actual access signal type;
   2 该通道模块开关设定 是不是 与该通话信号类型相一致; ( 2 ) Is the channel module switch setting consistent with the call signal type?
   3 检查信号接线 是不是 准确,信号线缆 是不是 接触良好; ( 3 ) Check whether the signal wiring is accurate and the signal cable is in good contact;
   4 在确定上述没有题目,重新标定仪表( 留意信号源精度一定要高于 0.1%) ,如果 仪表标定不正常( 没有办 法标定) 标定正常但通道丈量仍 不正常, 那么需要 与出产厂家联系 ( 4 ) After confirming that there is no problem above, re-calibrate the instrument ( note that the signal source accuracy must be higher than 0.1%) . If the instrument calibration is abnormal ( there is no way to calibrate ) or the calibration is normal but the channel measurement is still abnormal, then you need to Contact the manufacturer .