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    <item>
      <title>电子膨胀阀检修仪操作说明-电子膨胀阀卡死修复原理</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438671</link>
      <description><![CDATA[根据电子膨胀阀内部构造原理图，我们可以清楚的看到，膨胀阀内部主要由阀芯动作控制开度的大小。当阀芯关到最小时，阀芯前端与膨胀阀阀体接触面最大，当阀芯内部进入了赃物或者阀芯产生磨损，再加上系统内部的冷媒压力，这样就导致阀芯前端产生较大的表面摩擦力和挤压力 ...]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Tue, 30 Mar 2021 08:25:00 +0000</pubDate>
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      <title>丹佛斯、卡乐、艾默生、斯波兰螺杆机组电子膨胀阀卡死检测与修复</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438670</link>
      <description><![CDATA[螺杆式冷水机组电子膨胀阀线圈如何测量？螺杆式冷水机组电子膨胀阀内部是两相四线制步进电机，2组绕组线圈。现场可以拨下接线插头，用万用表电阻档测量，每组线圈的阻值正常应为50欧左右。正负误差不得超过10%。不同绕组之间，阻值应为无穷大。没有线色顺序技术资料，现 ...]]></description>
      <category>故障在线咨询</category>
      <author>admin</author>
      <pubDate>Wed, 03 Feb 2021 07:40:47 +0000</pubDate>
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      <title>空调、空气能电子膨胀阀驱动控制信号如何检测？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438669</link>
      <description><![CDATA[空调、空气能电子膨胀阀驱动控制信号如何检测？
在空调维修工作中，当电子膨胀阀出现故障，我们需要现场判别原厂控制器的电子膨胀阀驱动信号正不正常，电子膨胀阀驱动信号为脉冲信号。用普通的发用表测量，无法测量出信号的正常与否，给空调维修现场判断故障点，造成很 ...]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Thu, 14 Nov 2019 04:29:44 +0000</pubDate>
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      <title>空调电子膨胀阀阀芯卡死怎么办？电子膨胀阀脏堵修复方法</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438668</link>
      <description><![CDATA[空调电子膨胀阀阀芯卡死怎么办？变频多联机内机电子膨胀阀节流阀脏堵卡死故障检测修复方法 多联机的内机电子膨胀阀的复位控制方法， 电子膨胀阀正确安装方法  电子膨胀阀故障判断  怎样判断膨胀阀有故障 电子膨胀阀复位方法  如何更换电子膨胀阀？  膨胀阀的常见故障 膨 ...]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Sun, 04 Aug 2019 09:34:58 +0000</pubDate>
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      <title>空调空气能频繁化霜,不除霜,化霜效果不好化霜故障维修解决方法</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438666</link>
      <description><![CDATA[风冷热泵型空调制暖设备,冬季运行都必须要化霜。在空调维修工作中，我们经常遇到，空调空气能机组频繁化霜或者空调空气能结霜很厚不除霜，最后导致故障报警停机，无法正常运行。这些化霜的故障，除了空调空气能机组系统本身的问题，如缺冷媒，温度传感器 ...]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Sat, 27 Oct 2018 07:22:29 +0000</pubDate>
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      <title>空调电子膨胀阀卡死可以修复吗？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438665</link>
      <description><![CDATA[空调电子膨胀阀经常遇到脏堵卡死的,特别是，变频多联室内机的电子膨胀阀,最容易卡死,空调电子膨胀阀卡死了，可以修复吗？]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Wed, 05 Sep 2018 09:01:09 +0000</pubDate>
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      <title>变频空调多联机室内机电子膨胀阀节流盒脏堵卡死怎么办？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=438664</link>
      <description><![CDATA[空调电子膨胀阀线圈是好的,阀打不开怎么办？[/backcolor]多联机室内机电子膨胀阀堵了怎么办？空调电子膨胀阀卡死的原因?电子膨胀阀为什么卡死？电子膨胀阀脏堵卡死故障的解决方法。[/backcolor]电子膨胀阀堵了会怎么样？多联机电子膨胀阀堵了怎么解决？电子膨胀阀堵了有 ...]]></description>
      <category>故障在线咨询</category>
      <author>admin</author>
      <pubDate>Mon, 27 Aug 2018 07:56:01 +0000</pubDate>
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      <title>变频空调改定频方法</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=901</link>
      <description><![CDATA[格力变频空调改定频方法:
空调在制冷模式下，遥控器设定为18度，3秒内连按4次睡眠健，显示P1后，则设定成功。
柜机送电后直接按温度（减）开所有负载进入强制制冷，同样按温度（加）开所有负载进入强制制热.（定频空调也适用）

松下变频空调改定频方法:
按应急开关 ...]]></description>
      <category>故障在线咨询</category>
      <author>空调万能电路板</author>
      <pubDate>Wed, 18 Jan 2017 06:26:26 +0000</pubDate>
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      <title>东芝46匹VRV漏气了，你说怎么办？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=900</link>
      <description><![CDATA[维保项目上报修一台空调说不热，到现场查看故障显示F16.室外机传感器有故障 。。 传感器是没有问题的它的用途是检测系统的高低压压力，系统漏药水了没有压力所以报F16的故障!       系统没有漏点是不可能一点药水也没有的，所以只要查找漏点吧！
        46P的空 ...]]></description>
      <category>故障在线咨询</category>
      <author>zaq78916219</author>
      <pubDate>Wed, 11 Jan 2017 09:05:43 +0000</pubDate>
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      <title>空调夏天制冷正常,冬天制热不正常的故障原因有哪些?</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=898</link>
      <description><![CDATA[空调夏天制冷正常,制冷效果也很好,到了冬天转换制热后效果非常差,故障原因有哪些?]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Fri, 02 Dec 2016 03:05:19 +0000</pubDate>
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      <title>中央空调冷却水温过低产生的故障</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=896</link>
      <description><![CDATA[中央空调冷却水温过低可能产生的故障如下：
1冷却水温过低导致高压过低，引起低压偏低，可能发生低压报警；
2适当的冷却水温降低可增加过冷，制冷量增加，但冷凝温度过低时压差减小，制冷量反而下降；
3对于螺杆式压缩机的机组来说，冷却水温过低对机组回油不利会导致 ...]]></description>
      <category>故障在线咨询</category>
      <author>空调万能电路板</author>
      <pubDate>Fri, 11 Nov 2016 04:19:07 +0000</pubDate>
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      <title>麦克维尔MAC密码多少</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=895</link>
      <description><![CDATA[麦克维尔MAC密码多少]]></description>
      <category>故障在线咨询</category>
      <author>麦克维尔</author>
      <pubDate>Tue, 08 Nov 2016 02:39:08 +0000</pubDate>
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      <title>麦克维尔主机进水维修</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=894</link>
      <description><![CDATA[麦克维尔主机进水维修，谁有好办法解决，为什么换了新压机没用一段时间，新压机又坏了]]></description>
      <category>故障在线咨询</category>
      <author>麦克维尔</author>
      <pubDate>Tue, 08 Nov 2016 01:24:38 +0000</pubDate>
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      <title>压缩机冷冻油怎么加</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=893</link>
      <description><![CDATA[压缩机冷冻油怎么加，风冷模块机是不是直接加弗口进去]]></description>
      <category>故障在线咨询</category>
      <author>麦克维尔</author>
      <pubDate>Sat, 08 Oct 2016 05:34:11 +0000</pubDate>
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      <title>三菱电机P8</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=891</link>
      <description><![CDATA[一台5匹3相空调外机通电不启动。内机工作几分钟出现P8查  压缩机加热带坏]]></description>
      <category>故障在线咨询</category>
      <author>笑口常开</author>
      <pubDate>Thu, 29 Sep 2016 03:48:48 +0000</pubDate>
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      <title>空调万能控制器哪家质量好？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=889</link>
      <description><![CDATA[想了解下空调万能控制器哪家质量好？]]></description>
      <category>故障在线咨询</category>
      <author>山东汇泽制冷</author>
      <pubDate>Sun, 14 Aug 2016 04:37:05 +0000</pubDate>
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      <title>螺杆式冷水机组油压差控制器工作原理</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=886</link>
      <description><![CDATA[螺杆式冷水机组油压差控制器：当油压高于排气压力2公斤时，压缩机才能运行，而低于1.5公斤时，压缩机停止运行。油压差控制器本身具有45—60秒延时机构，以保证压缩机正常启动。]]></description>
      <category>故障在线咨询</category>
      <author>Anonymous</author>
      <pubDate>Mon, 01 Aug 2016 09:35:59 +0000</pubDate>
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      <title>空调只吹风不制冷是什么故障？</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=884</link>
      <description><![CDATA[空调只出风不制冷有以下几种原因:
一、控制器未设定制冷状态或设定的温度太高；
二、空调主机电源电压不够致使主机无法启动；
三、空调主机制冷剂在安装时未接好喇叭口致使漏光，或铜管管路有接口没接好或铜管破裂，当然不排除主机本身铜管破列如：蒸发器、冷凝器或机 ...]]></description>
      <category>故障在线咨询</category>
      <author>空调维修论坛</author>
      <pubDate>Thu, 14 Jul 2016 10:06:52 +0000</pubDate>
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      <title>三菱电机空调报E6</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=883</link>
      <description><![CDATA[三菱空调开机5分钟，包E6，外机LED1.LED2，一起亮]]></description>
      <category>故障在线咨询</category>
      <author>江苏小陈</author>
      <pubDate>Sun, 03 Jul 2016 10:32:27 +0000</pubDate>
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      <title>大金FVY71DQV2CBY空调显E4</title>
      <link>http://www.hirunk.com/bbs/forum.php?mod=viewthread&amp;tid=878</link>
      <description><![CDATA[上'门查看显E4不制冷，E4代码是底压保护。接上压力表平衡压力1Mpa，关机后开机压力下降到负压，加液无好转，后经查是电子彭胀阀线圈坏引起。换后试机正常。]]></description>
      <category>故障在线咨询</category>
      <author>蒲云江</author>
      <pubDate>Sat, 11 Jun 2016 03:37:36 +0000</pubDate>
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