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 <title><![CDATA[易驱ED3100变频器P.OFF故障维修]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472859.html]]></link>
 <description><![CDATA[Latest 50 replies of 易驱ED3100变频器P.OFF故障维修]]></description>
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 <description><![CDATA[师傅，按照您的经验测量经过对该变频器的测量，主板上的+15V&nbsp;&nbsp;-15V&nbsp;&nbsp; 24V&nbsp;&nbsp; 5V都正常。CPU板上的C89热端是+15V&nbsp;&nbsp;C90上有5V. R70是一个1002电阻，U1（MB90F562B)11脚4.6V正常，19脚4.5V，C96测出电压是26V（不是3.3V）,测量不出哪里问题，上电还是出现POFF代码。麻烦指教一下谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1472859#2304898.html]]></link>
 <author><![CDATA[jianguoqian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 31 Aug 2022 07:48:56 +0000]]></pubdate>
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