KT空调F4(KT空调故障代码)

1. KT空调F4

自从液晶电视上市以来，逐渐受到了人们的喜爱，很多人家里都安装了液晶电视。和普遍的电视机相比，液晶电视比较省电、较为环保。但是对于电器来说，使用久了，出现故障也在所难免，那么该如何维修呢？

基础知识

组成结构

液晶电视机的组成原理，大体有4个主要功能模块电源板，电视主板，逻辑板，背光模块，以及屏线，遥控器，按键输入和喇叭输出。

电源板

顾名思义，电源板负责整台电视的供电。功能好比人的心脏，给人全身输送能量。如果电源板坏了，就像人的心脏停止跳动，电视机自然就不能工作了。

很多黑屏，背光不亮，指示灯不亮，遥控按键不起作用等现象都是因为电源板故障引起。

电视主板

电视主板是整个电视机控制的核心，也可以说是电视的大脑。

如果电视主板出现问题，可能导致指示灯不亮、或者指示灯颜色异常、遥控按键无响应、黑屏、花屏等现象。

逻辑板

逻辑板也称TCON板，是信号中转站。负责将主板的LVDS信号转换成屏能处理的TCON信号。

如果TCON坏了，可能导致画面黑屏，花屏，条纹干扰，屏闪，屏保等异常现象。

背光模块

背光模块的功能是给电视机显示提供背光光源。

如果电视背光不亮，很有可能是背光模块出现了问题。

LVDS信号线

屏线，又称差分信号线。如果接口松动，接触不良，很容易导致黑屏，雪花点干扰，花屏等异常现象。

注意：4K电视，因为数据量大，LVDS信号线已无法满足传输要求，一般都采用V-BY-ONE的信号线传输。

遥控接收头

遥控接收头，也称IR，负责接收遥控器的红外控制信号。如果按遥控器没有反应，可能是遥控接收头出现问题。

按键板

如果遥控器可以正常操作，但按键板不起作用，估计是按键板或者相关电路坏了。

三合一板卡

将背光模块，电源板和电视主板集合到一块板卡上，俗称三合一板卡。将背光模块，电源板和电视主板集合到一块板卡上，俗称三合一板卡。

随着产品的标准和规范化，电视模块将越来越简化。目前市面上的电视，里面的模块基本都简化成两片电路了，一块三合一主板加一片逻辑板。

工作原理

如上图，红色的箭头是供电电路，蓝色的箭头是信号电路。

电源板负责将220V交流电压转换成各个模块工作所需的直流电压；

电视主板负责处理按键信号，响应遥控器信号；

控制电源板开关，直接或间接控制背光模块；

接收各类视频信号，图像转化成LVDS信号输送给逻辑板；

声音信号输出到喇叭；

逻辑板主要功能是将电视主板输出的LVDS信号转换成液晶屏能处理的TCON信号；

背光模块负责给背光灯条供电。

维修常用工具

螺丝刀

螺丝刀是工具，分手动或电动，用于旋拧（安装）和旋松（除去）螺钉。

镊子钳

夹持导线、元件及集成电路引脚等。

万用表

，万用表又称为复用表、多用表、三用表、繁用表等，是电力电子等部门不可缺少的测量仪表，一般以测量电压、电流和电阻为主要目的。

示波器

示波器是一种用途十分广泛的电子测量仪器。它能把肉眼看不见的电信号变换成看得见的图像，便于人们研究各种电现象的变化过程。

温度可调热风枪

热风枪主要是利用发热电阻丝的枪芯吹出的热风来对元件进行焊接与摘取元件的工具。

电烙铁

电烙铁是电子制作和电器维修的必备工具，主要用途是焊接元件及导线。

锡丝

锡丝的特质是具有一定的长度与直径的锡合金丝，在电子原器件的焊接中可与电烙铁或激光配合使用。

维修技巧

基本维修的方法

直观法

肉眼观察烧黑的地方，看有无连接线松动及元器件击穿的情况。

触摸法

用手触摸关键部件，观察供电部分发热情况(数字板)，特别是对老化几小时后出现的软故障情况比较实用。

问题法

了解故障出现的具体状态(比如雷击、打火、冒烟、积水及以及人为操作等)。

测量法

使用万用表、示波器测量(有些情况可用指针式万用表交流来代替示波器测量一些普通的信号)。

代换法

有条件的情况下，可以代换电源板，数字板，高频板，背光板，屏，LVDS数据线，软件等，这种方法维修快。

排除法

缩小检修范围，准确判断故障位置(如信号源部分、信号通道部分)。

逻辑检修法

该方法要求对所修板件的信号流程、电源逻辑关系非常熟悉，可以确定维修的顺序：是先从后级向前级检修，还是单一通道向公共通道检修等等。

满足法

先大体确定故障部位后，再检修部分电路的工作条件是否满足(特殊情况下可人为制造工作条件)。

对比法

条件允许的情况下，可以对比好的板件进行检修，也可以对比同一板件上相同的电路(对称电路)来进行检修。

先软件后硬件

软件涉及的故障范围广，但是需要检修的范围小，对于一些软故障，建议先升级软件。

初步检修流程

维修口诀

液晶维修并不难，工作原理记心间；

电压来自电源板，亮度来自背光源；

信号处理机芯板，显示分配控制板；

5V供电最勤劳，一年四季歇不了；

12V供给机芯板，中放功放向它看；

24V送到背光板，无它屏幕缺光源；

机芯板子是领导，开关信号向它要；

电源模块背光板，电平高开（机）低关；

PWM脉冲很重要，少了亮度提不高；

LVDS线要求高，变质松动有干扰；

液晶电视不普通，程序经常闹罢工；

三天两天发神经，需要复位来摆平；

液晶屏幕很脆弱，要维修时细（心）操作

平板维修费用高，学好技术很辛劳；

赚钱固然很重要，安全二字记心牢。

常见故障分析

显示器整机无电

1、电源故障

这是一个应该说是非常简单的故障，一般的液晶显示器分机内电源和机外电源两种，机外的常见一些。不论那种电源，易损的一般是一些小元件，象保险管、整流桥、300V滤波电容、电源开关管、电源管理IC、整流输出二极管、滤波电容等。这些常用的芯片在专业液晶配件店里都能买到。

2、驱动板故障

驱动板烧保险或者是稳压芯片出现故障，有部分机器是把开关电源内置，输出两组电源，其中一组是5V，供信号处理用，另外一组是12V提供高压板点背光用，如果开关电源部分电路出现了故障会有可能导致两组电源均没输出先查12V电压正常否，跟着查5V电压正常否，因为A/D驱动板的MCU芯片的工作电压是5V，所以查找开不了机的故障时，先用万用表测量5V电压，如果没有5V电压或者5V电压变得很低，那么一种可能是电源电路输入级出现了问题，也就是说12V转换到5V的电源部分出了问题，这种故障很常见检查5端稳压块(常见型号8050SD-LM2596-AIC15-01等)。

另一种可能就是5V的负载加重了，把5V电压拉得很低，换一种说法就是说，后级的信号处理电路出了问题，有部分电路损坏，引起负载加重，把5V电压拉得很低，逐一排查后级出现问题的元件，替换掉出现故障的元件后，5V能恢复正常，故障一般就此解决，也经常遇到5V电压恢复正常后还不能正常开机的，这种情况也有多种原因，一方面是MCU的程序被冲掉可能会导致不开机。还有就是MCU本身损坏，比如说MCU的I/O口损坏，使MCU扫描不了按键，遇到这种由MCU引起的故障，找硬件的问题是没有用的，就算你换了MCU也解决不了问题，因为MCU是需要编程和写码的，在没办法找到原厂的AD驱动板替换的情况下，我们只能用通用A/D驱动板代换如151D或161B等。

显示屏黑屏，无背光，电源灯绿灯常亮

斜视液晶屏有显示图像，是因为MCU问题造成没有输出开关控制电压，可以直接提取3端稳压块的。

(AIC1084)3.3V代替，修理高压板的思路(电源保险丝--开关控制管--电源管理IC--推挽发大管--电源开关管--DA转换电路(储能电感整流管)--LC升压电路(升压变压器、升压电容)--耦合电容--灯管。

屏幕亮线，亮带或者是暗线

这种问题，一般是液晶屏的故障。

亮线故障一般是连接液晶屏本体的排线出了问题或者某行和列的驱动IC损坏

暗线一般是屏的本体有漏电，或者TAB柔性板连线开路以上两种问题基本上就是给机器判了死刑了，没有维修价值的，因为一块屏的价格太高了。(广州有专门更换码片的，收费极高，返修率也高)。

花屏或者是白屏

这种问题一般是屏的驱动电压出了问题，先换驱动板和驱屏线试验，若不行检查屏背板供电电路。

维修思路：驱动板5V转3.3V的稳压块(AIC1084)是否有供电输出--屏体驱动板保险丝(F)-3.3V--DC转换电路--负压形成IC(-7V)--行列驱动IC。

AAT1101AM150XN05屏电源管理芯片，损坏后表现为白屏开机图像暗淡等。

AAT1164M170EG01新款屏通病，主要用在明基FP71G+液晶显示器上面。用一段时间会白屏、关机在开用一段时间又出现白屏。本芯片为液晶屏高压产生及管理芯片、明基液晶显示器常坏、故障为：白屏。

偏色故障

一般可以进入工厂调整模式进行调整。

维修思路：更换屏线和转接板--重写驱动程序--驱动板坏(不常见)--屏背板的控制IC坏(不常见)--拔掉屏线观察背光颜色(背光偏色为灯管老化)--换灯管。

字符虚或拖尾

维修思路：检查VGA信号线，重点看RGB三色线的地线是否连接正常--更换屏线或转接板--重写驱动程序--换驱动板--LCD屏背板信号接口 IC坏--LCD屏背板对比度电位器调整--LCD屏导光板错位--偏光片错位。

LCD屏幕内部有污点

维修思路：擦拭或更换换保护膜--拆开屏体清洗外层偏光片和有机玻璃(用棉球纯净水处理)--风筒吹干。

LCD屏漏光或光线不均

维修思路:重新安装灯管--调整导光板。

LCD屏亮点

一个或二个大的亮点，可以尝试轻轻用指尖压亮点，可消失,说明多为此像素的开关管和电极虚连小的黑点和灰点有可能是内部导光板或偏光片有灰尘造成可清洗处理。

LCD屏亮度低

检查高压板ADJ亮度调节电路--换灯管--换高压板---调整或更换导光板。

错误提示超出频率范围

检查信号线--重写MCU驱动程序--更换EPROM--重写EPROM程序--换驱动板。

通电后不按开关按键即白屏，出现背光按键后图像可正常显示

高压板接口的开关信号和ADJ信号反接造成部分属于驱动板MCU的开关信号输出不正常，可以重写MCU程序修复--换MCU。

补充一点，对于灯管老化的屏更换时要搞清灯管的尺寸，因为尽管屏幕尺寸一样，但是灯管长度与粗细略有差异，在找不到相同尺寸灯管的时候，如果能用短灯则好，如果不能使用，稍长的的灯管用手术刀小心切除屏框，并用热缩管做好绝缘。

注意事项

电视机是有电高压的一种电器，维修时有关的安全问题一定要注意。

1、打开机壳：要注意不能用蛮力打开机壳，如果太紧打不开，一定是还有螺钉或卡扣没有松开，要再仔细找找；拉开机壳时有的电视机电路板与机壳之间会有电线相连，要注意不要拉坏，比较好先折下机壳上固定的电路板；拉开机壳时要拿稳机壳，不要脱手掉下，否则容易砸到显像管管径，一旦砸断可就麻烦了。

2、要注意电视机的“热地”：有的电视机的电路板的地是“热地”，就是与市电没有隔离，如果恰巧电视机的电源插头又将未隔离的电视机的“地”端插到市电的“火”线上，那么维修时如果你不小心碰到电视机的某个接“地”的部分，就有触电的危险。一方面触电本身很危险，另一方面人在触电时身体会发生不由自主的痉挛，一旦把电视机拉到地上，就又出大麻烦了。解决这个问题比较好是用隔离变压器，如果没有，比较好在电视机通电时能调整好插头方向，使电视机的“地”接到市电的“零”线上，这样可以使电视机比较容易碰到的地方不“电”人，但是电视机里还是有与“火”线相连的强电的，仍然要小心。

3、要注意电视机内的高压：在更换行输出变压器的时候，一定要用万用表笔或其它导线将显像管高压帽下的高压泄放干净，否则在摘下高压连线时会受到高压电击，同样比较危险。

如何保养

1、保持干燥

放置的中央，环境要保持干燥并远离化学药品。假如放置环境湿度很大，电器内部就会结露，容易形成漏电、短路等。平常使用的发胶、灭蚊剂等都是高挥发性化学品，也会对液晶显现屏形成损伤。

2、亮度调低

日常使用，尽量防止长时间显现同一张画面。长时间工作容易惹起内部老化或烧坏，特别糟糕的是长时间内显现同一画面，可能会招致某些像素过热，形成内部产生坏点。而这种损坏不能修复。因而不用时应该关闭显现屏或选择屏幕保护程序，或者把显现屏亮度调低点。

3、不能频繁清洗

液晶显现屏不能频繁清洗。正确的清洁办法是拿一块沾有少许玻璃清洁剂的屏幕擦布，轻力把污迹擦去。注意不要让清洁剂流到屏幕、屏框接口中，以免出现短路。也不要用硬质毛巾擦洗，以免刮花屏幕。还要定时定量擦洗。

4、制止坏习气

杜绝使用坏习气。不要用手对屏幕指指点点。此外变压器电压很高，不要在带电的状况下翻开屏的后盖。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"自从液晶电视上市以来，逐渐受到了人们的喜爱，很多人家里都安装了液晶电视。和普遍的电视机相比，液晶电视比较省电、较为环保。但是对于电器来说，使用久了，出现故障也在所难免，那么该如何维修呢？","id":""}],"text":"","id":"WW8Ide2aGoiCgsxk5encV6gvnkh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"基础知识","id":""}],"text":"","id":"Zg4sdAmW0oa0Gsx50oLcYGQdnbR"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"组成结构","id":""}],"text":"","id":"Q2qyduGcyoGOuAxkbcycCbuBnlg"},{"type":"paragraph","children":[{"type":"text","text":"液晶电视机的组成原理，大体有4个主要功能模块电源板，电视主板，逻辑板，背光模块，以及屏线，遥控器，按键输入和喇叭输出。","id":""}],"text":"","id":"YqSOdSGksoKCkkxgjdpc8VC0nEd"},{"type":"image","attrs":{"height":547,"note":[{"type":"text","text":"组成结构","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d49597eb3f2f458fb1aacdb8bcdbef9c","width":600},"text":"","id":"KIuGduc4Yo64sGxgDHGcyS0Hnog"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电源板","id":""}],"text":"","id":"NCcadCGASoIKKaxI1gYcygzZnoc"},{"type":"image","attrs":{"height":382,"note":[{"type":"text","text":"电源板","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/33c208a51667444093165fd7f535bdad","width":640},"text":"","id":"N8OodMuAWo6Y0kxgTEac2Ntdnic"},{"type":"paragraph","children":[{"type":"text","text":"顾名思义，电源板负责整台电视的供电。功能好比人的心脏，给人全身输送能量。如果电源板坏了，就像人的心脏停止跳动，电视机自然就不能工作了。","id":""}],"text":"","id":"E2y2dAoKqo22aoxkhhmcxKcinxb"},{"type":"paragraph","children":[{"type":"text","text":"很多黑屏，背光不亮，指示灯不亮，遥控按键不起作用等现象都是因为电源板故障引起。","id":""}],"text":"","id":"K6S2dK66Uos0mCx6PqTc7rRPnIe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"电视主板","id":""}],"text":"","id":"Om6gd4siSo44U6xyplZcfDDQnzX"},{"type":"paragraph","children":[{"type":"text","text":"电视主板是整个电视机控制的核心，也可以说是电视的大脑。","id":""}],"text":"","id":"HQWQd2WKgoEWIExa0EecUNIln8f"},{"type":"paragraph","children":[{"type":"text","text":"如果电视主板出现问题，可能导致指示灯不亮、或者指示灯颜色异常、遥控按键无响应、黑屏、花屏等现象。","id":""}],"text":"","id":"OyS4dCMsKoCkwSx8w6qcWrSFnCc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"逻辑板","id":""}],"text":"","id":"BAA0dYS4ko8GaExOAlwcSMQzn3f"},{"type":"image","attrs":{"height":200,"note":[{"type":"text","text":"逻辑板","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6a2ec3b6487a474bb0572cd6b41a6a41","width":476},"text":"","id":"ZgksdK60koWCCuxANPMcX2Ijnuf"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"GKWadUmOWoQK6cxQbUoclY8cn9f"},{"type":"paragraph","children":[{"type":"text","text":"逻辑板也称TCON板，是信号中转站。负责将主板的LVDS信号转换成屏能处理的TCON信号。","id":""}],"text":"","id":"AQKCd4EUoooEGwxwV6EcWW8EnVg"},{"type":"paragraph","children":[{"type":"text","text":"如果TCON坏了，可能导致画面黑屏，花屏，条纹干扰，屏闪，屏保等异常现象。","id":""}],"text":"","id":"Nwyud4k2moy8w0xMfDUcsxd2nYf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"背光模块","id":""}],"text":"","id":"W0iudm0eMosGogxEnR0cFf7unhh"},{"type":"image","attrs":{"height":376,"note":[{"type":"text","text":"背光模块","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f0a58b74bfb149388085b7d3c065f517","width":640},"text":"","id":"DkCCdyq0eoGMsWxGg10cl1h3nue"},{"type":"paragraph","children":[{"type":"text","text":"背光模块的功能是给电视机显示提供背光光源。","id":""}],"text":"","id":"XgqgdA6eSoamscxGkTEcrEuhn7e"},{"type":"paragraph","children":[{"type":"text","text":"如果电视背光不亮，很有可能是背光模块出现了问题。","id":""}],"text":"","id":"FEMsdQsKaoEuyGxMx62cer6vn8d"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"LVDS信号线","id":""}],"text":"","id":"KesmdsScsoMkAaxUZkacXFfanwf"},{"type":"image","attrs":{"height":174,"note":[{"type":"text","text":"LVDS信号线","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f2f5112c462f4d7689d15cca1b1d7274","width":288},"text":"","id":"IG2edW4gAoimeMx1qfDc7n8EnbS"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"QM0odQQqaoIgYkxmu1Nc6e2hn7g"},{"type":"paragraph","children":[{"type":"text","text":"屏线，又称差分信号线。如果接口松动，接触不良，很容易导致黑屏，雪花点干扰，花屏等异常现象。","id":""}],"text":"","id":"EcUMdCeuMoMgs8x2v7Nc6yronId"},{"type":"paragraph","children":[{"type":"text","text":"注意：4K电视，因为数据量大，LVDS信号线已无法满足传输要求，一般都采用V-BY-ONE的信号线传输。","id":""}],"text":"","id":"HwyGdSIWkoKoiUx06WXcQbkUnOc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"遥控接收头","id":""}],"text":"","id":"D8OCduQagoGUkmxCK1hc1UlanHg"},{"type":"image","attrs":{"height":386,"note":[{"type":"text","text":"遥控接收头","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/81b73b4097b34fa7bd7d91fc61b8ffbe","width":640},"text":"","id":"K2iYdKsC6oggeMxOInhcnIq1nCe"},{"type":"paragraph","children":[{"type":"text","text":"遥控接收头，也称IR，负责接收遥控器的红外控制信号。如果按遥控器没有反应，可能是遥控接收头出现问题。","id":""}],"text":"","id":"EUckd0E8woqg2ixQZxYcNcumn3f"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"按键板","id":""}],"text":"","id":"CeAEdImqSoAkwIxYFN6c7Mrpnfh"},{"type":"image","attrs":{"height":400,"note":[{"type":"text","text":"按键板","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4b0ba99b7c2442769d79d4a9279d604f","width":640},"text":"","id":"YMCWdMQQ2oO2K6xcTq3cLUXTn9g"},{"type":"paragraph","children":[{"type":"text","text":"如果遥控器可以正常操作，但按键板不起作用，估计是按键板或者相关电路坏了。","id":""}],"text":"","id":"TaYyd4SY0oo8w8xIvaVcgwuincc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"三合一板卡","id":""}],"text":"","id":"YYUEdw6o2o0scqxuECxcwD3lnbg"},{"type":"image","attrs":{"height":491,"note":[{"type":"text","text":"三合一板卡","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/7535a9c507344b82928b198c99420481","width":640},"text":"","id":"VO4QdQGoWogi4UxKOLZcgMWznrg"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"LeAydA80Ioo4GYxURGrcJawOnyg"},{"type":"paragraph","children":[{"type":"text","text":"将背光模块，电源板和电视主板集合到一块板卡上，俗称三合一板卡。将背光模块，电源板和电视主板集合到一块板卡上，俗称三合一板卡。","id":""}],"text":"","id":"YQIKdaEU0ooICyxMLricXBHZn4d"},{"type":"paragraph","children":[{"type":"text","text":"随着产品的标准和规范化，电视模块将越来越简化。目前市面上的电视，里面的模块基本都简化成两片电路了，一块三合一主板加一片逻辑板。","id":""}],"text":"","id":"VOcUdisEwooGAgxI1Ktc7i3InEd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"工作原理","id":""}],"text":"","id":"QSsGdMOgoo4acOxoH3TcxZQLnWh"},{"type":"image","attrs":{"height":326,"note":[{"type":"text","text":"工作原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/68aff4ee95924b829b046559d8011a66","width":560},"text":"","id":"PiiKdKEIWoSgoWxw1LIczFsxn5g"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"LySYdoqgAo2iSyxiqL8cXzGFncc"},{"type":"paragraph","children":[{"type":"text","text":"如上图，红色的箭头是供电电路，蓝色的箭头是信号电路。","id":""}],"text":"","id":"AEcCdkeOAoYcgKxkYH9cVldUnSX"},{"type":"paragraph","children":[{"type":"text","text":"电源板负责将220V交流电压转换成各个模块工作所需的直流电压；","id":""}],"text":"","id":"MIssd0cCeosqOqxu4n0c1CEtnbf"},{"type":"paragraph","children":[{"type":"text","text":"电视主板负责处理按键信号，响应遥控器信号；","id":""}],"text":"","id":"Cuy0duUmmoQ4C4xh7VecJdQpnIF"},{"type":"paragraph","children":[{"type":"text","text":"控制电源板开关，直接或间接控制背光模块；","id":""}],"text":"","id":"Buysd8umuok2uWxQF5Zc6wbqnUe"},{"type":"paragraph","children":[{"type":"text","text":"接收各类视频信号，图像转化成LVDS信号输送给逻辑板；","id":""}],"text":"","id":"GS6Od4wKGoweqOxCUwQc7HRqnPe"},{"type":"paragraph","children":[{"type":"text","text":"声音信号输出到喇叭；","id":""}],"text":"","id":"GO08diuImociUExEdiFc5RHRnag"},{"type":"paragraph","children":[{"type":"text","text":"逻辑板主要功能是将电视主板输出的LVDS信号转换成液晶屏能处理的TCON信号；","id":""}],"text":"","id":"W20SdySYkoCGy4xQ7FCcNZKrn7c"},{"type":"paragraph","children":[{"type":"text","text":"背光模块负责给背光灯条供电。","id":""}],"text":"","id":"HIEudaucuooyMoxCMydcBzEAnQn"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"维修常用工具","id":""}],"text":"","id":"PqYUdMemsoMW2YxWC6UcVbsxn7f"},{"type":"paragraph","children":[{"type":"text","text":"螺丝刀","id":""}],"text":"","id":"JIqSdkcOuoA4OwxQ1UAc84Vuntf"},{"type":"paragraph","children":[{"type":"text","text":"螺丝刀是工具，分手动或电动，用于旋拧（安装）和旋松（除去）螺钉。","id":""}],"text":"","id":"Aokydu6Meo0C0YxcRXPcthghnrd"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"维修常用工具","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4b51b4fe86544c75ba4ea5bc9e54bf7d","width":1024},"text":"","id":"YiiEdMaw8oaIWyx8TbtcYPpLnGd"},{"type":"paragraph","children":[{"type":"text","text":"镊子钳","id":""}],"text":"","id":"WUIQdQUKWoiso4xwRErcTPeRnPe"},{"type":"paragraph","children":[{"type":"text","text":"夹持导线、元件及集成电路引脚等。","id":""}],"text":"","id":"ZokAduqK4o0Miixgl6vcbAVgn1f"},{"type":"image","attrs":{"height":681,"note":[{"type":"text","text":"维修常用工具","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/16b3f92f4846467b820c96c3fe71c112","width":1022},"text":"","id":"VkO0d40cyowY22xO8AecwLVKnee"},{"type":"paragraph","children":[{"type":"text","text":"万用表","id":""}],"text":"","id":"S0AQdUyocoQU2oxIVjQcZFzKnge"},{"type":"paragraph","children":[{"type":"text","text":"，万用表又称为复用表、多用表、三用表、繁用表等，是电力电子等部门不可缺少的测量仪表，一般以测量电压、电流和电阻为主要目的。","id":""}],"text":"","id":"JgaCdWCQ4oI82ExOKAtcS8SFn6b"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"维修常用工具","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/8878cbc13def408e92616a5d5c628006","width":1024},"text":"","id":"Xs4qdYIIIowUO8xycjHcP1Henbd"},{"type":"paragraph","children":[{"type":"text","text":"示波器","id":""}],"text":"","id":"QYM2dQySeomqkGxQh56cEy5Gn9e"},{"type":"paragraph","children":[{"type":"text","text":"示波器是一种用途十分广泛的电子测量仪器。它能把肉眼看不见的电信号变换成看得见的图像，便于人们研究各种电现象的变化过程。","id":""}],"text":"","id":"GqImdCkCqomwYKxSQzxczW75nTb"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"维修常用工具","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3977407aa4cb4be4b12c7ebf713e417d","width":1024},"text":"","id":"PswqdGKCyoYOosxCy92cwPjtnqg"},{"type":"paragraph","children":[{"type":"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被冲掉可能会导致不开机。还有就是MCU本身损坏，比如说MCU的I/O口损坏，使MCU扫描不了按键，遇到这种由MCU引起的故障，找硬件的问题是没有用的，就算你换了MCU也解决不了问题，因为MCU是需要编程和写码的，在没办法找到原厂的AD驱动板替换的情况下，我们只能用通用A/D驱动板代换如151D或161B等。","id":""}],"text":"","id":"WEKKdMm82oO0AOxmijgcGJ82nCg"},{"type":"image","attrs":{"height":718,"note":[{"type":"text","text":"显示器整机无电","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6877eef394f0460391549cc7950ff2b9","width":1077},"text":"","id":"TemOdY8o8ooCscxC4v0cctYNnJe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"显示屏黑屏，无背光，电源灯绿灯常亮","id":""}],"text":"","id":"ScwmdYC2soiC0Uxy0AScaYgon7c"},{"type":"paragraph","children":[{"type":"text","text":"斜视液晶屏有显示图像，是因为MCU问题造成没有输出开关控制电压，可以直接提取3端稳压块的。","id":""}],"text":"","id":"DcCAd0sWyoUm0WxzWWcclrOVnIg"},{"type":"paragraph","children":[{"type":"text","text":"(AIC1084)3.3V代替，修理高压板的思路(电源保险丝--开关控制管--电源管理IC--推挽发大管--电源开关管--DA转换电路(储能电感整流管)--LC升压电路(升压变压器、升压电容)--耦合电容--灯管。","id":""}],"text":"","id":"GUWGd8kEoo68ewx80Iqc5gxsntc"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"显示屏黑屏，无背光，电源灯绿灯常亮","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/28d1d08e0d744012a98d93b2b825562d","width":1024},"text":"","id":"MsYyd8kKIoYUAsxWIPDcYNDFnKb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"屏幕亮线，亮带或者是暗线","id":""}],"text":"","id":"EOYgdaWOwoggwoxohgqc5uwvn5b"},{"type":"paragraph","children":[{"type":"text","text":"这种问题，一般是液晶屏的故障。","id":""}],"text":"","id":"J04udMScEogEgixag7UcHcR4nyh"},{"type":"paragraph","children":[{"type":"text","text":"亮线故障一般是连接液晶屏本体的排线出了问题或者某行和列的驱动IC损坏","id":""}],"text":"","id":"AcEAdaQkIoUY4OxY585cDxs6n4d"},{"type":"paragraph","children":[{"type":"text","text":"暗线一般是屏的本体有漏电，或者TAB柔性板连线开路以上两种问题基本上就是给机器判了死刑了，没有维修价值的，因为一块屏的价格太高了。(广州有专门更换码片的，收费极高，返修率也高)。","id":""}],"text":"","id":"HWy8dsS2IoyCmqx2xcmc66POnFg"},{"type":"image","attrs":{"height":2000,"note":[{"type":"text","text":"屏幕亮线，亮带或者是暗线","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/f8d9eb1e799a4641b7f7ba71179f73c8","width":3000},"text":"","id":"KY0Ad8EKooqioaxkZVwcJ31Unxf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"花屏或者是白屏","id":""}],"text":"","id":"OA26d4yEeomOIAxOyyFc1I1anxg"},{"type":"paragraph","children":[{"type":"text","text":"这种问题一般是屏的驱动电压出了问题，先换驱动板和驱屏线试验，若不行检查屏背板供电电路。","id":""}],"text":"","id":"JQiIdcoY0oyyKExqonxcIxPVnie"},{"type":"paragraph","children":[{"type":"text","text":"维修思路：驱动板5V转3.3V的稳压块(AIC1084)是否有供电输出--屏体驱动板保险丝(F)-3.3V--DC转换电路--负压形成IC(-7V)--行列驱动IC。","id":""}],"text":"","id":"BwSgdaAkgoEwGuxQt1GcFIwRnde"},{"type":"paragraph","children":[{"type":"text","text":"AAT1101AM150XN05屏电源管理芯片，损坏后表现为白屏开机图像暗淡等。","id":""}],"text":"","id":"W8YwdySA4ogUMCxWAF3chxuOnBd"},{"type":"paragraph","children":[{"type":"text","text":"AAT1164M170EG01新款屏通病，主要用在明基FP71G+液晶显示器上面。用一段时间会白屏、关机在开用一段时间又出现白屏。本芯片为液晶屏高压产生及管理芯片、明基液晶显示器常坏、故障为：白屏。","id":""}],"text":"","id":"F6UcdsIaYoigw4xhXQYcSTbtnA4"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"花屏或者是白屏","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/0382d695e62249e48ce88ddd45e7eab2","width":1080},"text":"","id":"PECGdywYoouQEqxcjYVcjWO4nsg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"偏色故障","id":""}],"text":"","id":"WUakdWow4oC0AYx8TxNcdEFKn2c"},{"type":"paragraph","children":[{"type":"text","text":"一般可以进入工厂调整模式进行调整。","id":""}],"text":"","id":"KAwwd8GmcoMgQoxJOl6cUuWingX"},{"type":"paragraph","children":[{"type":"text","text":"维修思路：更换屏线和转接板--重写驱动程序--驱动板坏(不常见)--屏背板的控制IC坏(不常见)--拔掉屏线观察背光颜色(","id":""},{"type":"text","text":"背光偏色","id":""},{"type":"text","text":"为灯管老化)--换灯管。","id":""}],"text":"","id":"OE2EdwMqAo22G0x2hsKcJpSYnYf"},{"type":"image","attrs":{"height":595,"note":[{"type":"text","text":"偏色故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/682812f3a52745ab9015c2bdb8a8ffca","width":892},"text":"","id":"R2aAd6qASoCwSqx2DfncS7VlnFb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"字符虚或拖尾","id":""}],"text":"","id":"QS0Ydw8IkomMO0xQDMicNxRVnid"},{"type":"paragraph","children":[{"type":"text","text":"维修思路：检查VGA信号线，重点看RGB三色线的地线是否连接正常--更换屏线或转接板--重写驱动程序--换驱动板--LCD屏背板信号接口 IC坏--LCD屏背板对比度电位器调整--LCD屏导光板错位--偏光片错位。","id":""}],"text":"","id":"D0KUdse84ouMuQxGGovcCqUWnHf"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"字符虚或拖尾","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/49e51c98340e47e8b7bfb8076eb3684a","width":1024},"text":"","id":"Dyu2dmkEsoSiimxyOIScRdQ8nHh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏幕内部有污点","id":""}],"text":"","id":"WIyKdkuCuoI2MqxSkyZcRKEcnMg"},{"type":"paragraph","children":[{"type":"text","text":"维修思路：擦拭或更换换保护膜--拆开屏体清洗外层偏光片和有机玻璃(用棉球纯净水处理)--风筒吹干。","id":""}],"text":"","id":"Ygi2dkiY4oO6sExAXsycPzo6nSc"},{"type":"image","attrs":{"height":746,"note":[{"type":"text","text":"LCD屏幕内部有污点","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3411022d6b21474aa77b1f139bcb0fcf","width":1119},"text":"","id":"EAUGdQi4yoaaY4xEFqIcBxQrnKd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏漏光或光线不均","id":""}],"text":"","id":"O4KWdaCcio8gqGxuGtWcl6ktnVc"},{"type":"paragraph","children":[{"type":"text","text":"维修思路:重新安装灯管--调整导光板。","id":""}],"text":"","id":"EgYMdOAgOosEU8xu8BJclmLjnqg"},{"type":"image","attrs":{"height":575,"note":[{"type":"text","text":"LCD屏漏光或光线不均","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4f1fae90dd7f4885875a98b12d344c37","width":862},"text":"","id":"KaA2dmCEQocMuwxaEhlcgUhwnKd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏亮点","id":""}],"text":"","id":"RQE0dwIycoAK2ax2hmVc4DIWn2c"},{"type":"paragraph","children":[{"type":"text","text":"一个或二个大的亮点，可以尝试轻轻用指尖压亮点，可消失,说明多为此像素的开关管和电极虚连小的黑点和灰点有可能是内部导光板或偏光片有灰尘造成可清洗处理。","id":""}],"text":"","id":"BCQUdoykSoGQcAxh5gQcr7XenxI"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"LCD屏亮点","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/39e02217bd5d47d88ba8642545866e1b","width":1080},"text":"","id":"CEgKd8sgWosqEmxG8gBcswkynme"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"LCD屏亮度低","id":""}],"text":"","id":"GOQmdYWuioG6KExmKzJcaD6anVh"},{"type":"paragraph","children":[{"type":"text","text":"检查高压板ADJ亮度调节电路--换灯管--换高压板---调整或更换导光板。","id":""}],"text":"","id":"PIgCdkW6eoKeEAxA1K6cYRjknzh"},{"type":"image","attrs":{"height":720,"note":[{"type":"text","text":"LCD屏亮度低","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d2f309cae5554291ad52f0a37e78fa36","width":1080},"text":"","id":"PMYMdWGmqoKiQMxUzJ5cZG7bnBf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"错误提示超出频率范围","id":""}],"text":"","id":"UKkGdaY0UoYoeKx0AVLcATRRnTb"},{"type":"paragraph","children":[{"type":"text","text":"检查信号线--重写MCU驱动程序--更换EPROM--重写EPROM程序--换驱动板。","id":""}],"text":"","id":"MAEMd8Mywom02Ox6f52cPjNondb"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"错误提示超出频率范围","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/ddcfcfe2eef44b059d28fdf4aff6f628","width":1024},"text":"","id":"QoYidAMsMo2gk4xye2Bchj7nn0f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"通电后不按开关按键即白屏，出现背光按键后图像可正常显示","id":""}],"text":"","id":"OqYsdU2e6oCMuuxGCkRcnqnpnne"},{"type":"paragraph","children":[{"type":"text","text":"高压板接口的开关信号和ADJ信号反接造成部分属于驱动板MCU的开关信号输出不正常，可以重写MCU程序修复--换MCU。","id":""}],"text":"","id":"UOw0dACO4oKkYIxeQAFcx3sfnVf"},{"type":"paragraph","children":[{"type":"text","text":"补充一点，对于灯管老化的屏更换时要搞清灯管的尺寸，因为尽管屏幕尺寸一样，但是灯管长度与粗细略有差异，在找不到相同尺寸灯管的时候，如果能用短灯则好，如果不能使用，稍长的的灯管用手术刀小心切除屏框，并用热缩管做好绝缘。","id":""}],"text":"","id":"UyU8dEUCaoUWygxc98xcWNPknee"},{"type":"image","attrs":{"height":483,"note":[{"type":"text","text":"通电后不按开关按键即白屏，出现背光按键后图像可正常显示","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e69eef55771b48e7bbf6ebcdc5b0165c","width":725},"text":"","id":"FkEQdQikyouEcMx2xS3chyPon8d"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"注意事项","id":""}],"text":"","id":"GAsmd4agGouIk2x43LCc4WoTnRg"},{"type":"paragraph","children":[{"type":"text","text":"电视机是有电高压的一种电器，维修时有关的安全问题一定要注意。","id":""}],"text":"","id":"YCaIdiMsSogi28xUdokcdns6nng"},{"type":"paragraph","children":[{"type":"text","text":"1、打开机壳：要注意不能用蛮力打开机壳，如果太紧打不开，一定是还有螺钉或卡扣没有松开，要再仔细找找；拉开机壳时有的电视机电路板与机壳之间会有电线相连，要注意不要拉坏，比较好先折下机壳上固定的电路板；拉开机壳时要拿稳机壳，不要脱手掉下，否则容易砸到显像管管径，一旦砸断可就麻烦了。","id":""}],"text":"","id":"RG2KdeSkco0eAKxIN1TcdXBFneg"},{"type":"image","attrs":{"height":888,"note":[{"type":"text","text":"注意事项","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3541dbd8ad7a44cab04154722ed2ea1b","width":1332},"text":"","id":"HcUGdoY4GoEOYxxSOaVcjAjbnio"},{"type":"paragraph","children":[{"type":"text","text":"2、要注意电视机的“热地”：有的电视机的电路板的地是“热地”，就是与市电没有隔离，如果恰巧电视机的电源插头又将未隔离的电视机的“地”端插到市电的“火”线上，那么维修时如果你不小心碰到电视机的某个接“地”的部分，就有触电的危险。一方面触电本身很危险，另一方面人在触电时身体会发生不由自主的痉挛，一旦把电视机拉到地上，就又出大麻烦了。解决这个问题比较好是用隔离变压器，如果没有，比较好在电视机通电时能调整好插头方向，使电视机的“地”接到市电的“零”线上，这样可以使电视机比较容易碰到的地方不“电”人，但是电视机里还是有与“火”线相连的强电的，仍然要小心。","id":""}],"text":"","id":"YEMOdOAAwomg86xkPm3cBlyqnEe"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"注意事项","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e970d754d0ab4531b80dbfe870179d92","width":1024},"text":"","id":"SeQOdeAgUoYeucxXA1NcWhdHniE"},{"type":"paragraph","children":[{"type":"text","text":"3、要注意电视机内的高压：在更换行输出变压器的时候，一定要用万用表笔或其它导线将显像管高压帽下的高压泄放干净，否则在摘下高压连线时会受到高压电击，同样比较危险。","id":""}],"text":"","id":"TE2WdG8MgoUkOUxUDBNcZVgnnLV"},{"type":"image","attrs":{"height":683,"note":[{"type":"text","text":"注意事项","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/3d725834cf604f28a031e3d43eccc47f","width":1024},"text":"","id":"KeMGdIuYioCEyGxWMP9c3GeTnqh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"如何保养","id":""}],"text":"","id":"Z6QEdMcCuoamSqxUh4rcvQvEnSe"},{"type":"paragraph","children":[{"type":"text","text":"1、保持干燥","id":""}],"text":"","id":"Uq6qdkaMyoi0AgxobSVcuh03nhc"},{"type":"paragraph","children":[{"type":"text","text":"放置的中央，环境要保持干燥并远离化学药品。假如放置环境湿度很大，电器内部就会结露，容易形成漏电、短路等。平常使用的发胶、灭蚊剂等都是高挥发性化学品，也会对液晶显现屏形成损伤。","id":""}],"text":"","id":"SQkMdwWcSoSIqmxCen9cYGrQnTg"},{"type":"paragraph","children":[{"type":"text","text":"2、亮度调低","id":""}],"text":"","id":"GmA2dmAcQoIgS6xcTwycWgUXn8g"},{"type":"paragraph","children":[{"type":"text","text":"日常使用，尽量防止长时间显现同一张画面。长时间工作容易惹起内部老化或烧坏，特别糟糕的是长时间内显现同一画面，可能会招致某些像素过热，形成内部产生坏点。而这种损坏不能修复。因而不用时应该关闭显现屏或选择屏幕保护程序，或者把显现屏亮度调低点。","id":""}],"text":"","id":"SeyYdg6moo2qSwxAdYKchuc0nRb"},{"type":"paragraph","children":[{"type":"text","text":"3、不能频繁清洗","id":""}],"text":"","id":"N848dWgAmomgIOxk7BLcs9wcnsd"},{"type":"paragraph","children":[{"type":"text","text":"液晶显现屏不能频繁清洗。正确的清洁办法是拿一块沾有少许玻璃清洁剂的屏幕擦布，轻力把污迹擦去。注意不要让清洁剂流到屏幕、屏框接口中，以免出现短路。也不要用硬质毛巾擦洗，以免刮花屏幕。还要定时定量擦洗。","id":""}],"text":"","id":"HcMadkiiooWOkcxKaNackUibnKe"},{"type":"paragraph","children":[{"type":"text","text":"4、制止坏习气","id":""}],"text":"","id":"UquIdAgkYoM22axczmCckeQ6nzg"},{"type":"paragraph","children":[{"type":"text","text":"杜绝使用坏习气。不要用手对屏幕指指点点。此外变压器电压很高，不要在带电的状况下翻开屏的后盖。","id":""}],"text":"","id":"IEuGdMIkUo68QoxmAQdcM5DWnbc"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"I8mydKKoWoei8exM3hYcwT4BnJc"}]%3C%2Fhowto_content%3E

2. KT空调故障代码

kt空调出现F6代码提示一般表示空调内外机之间的连接线与反馈线发生故障，空调无法正常控制外机启停工作。该故障可能是电机或者启动电容损坏、电脑版控制电路或芯片损坏，需要申请空调售后服务人员上门检修并更换。

3. KT空调传感器多少k

光电传感器的电气符号: 电气符号大全，缺失：光电传感器的3590/9

1 继电器 K J

2 电流继电器 KA LJ

3 负序电流继电器 KAN FLJ

4 零序电流继电器 KAZ LLJ

5 电压继电器 KV YJ

6 正序电压继电器 KVP ZYJ

7 负序电压继电器 KVN FYJ

8 零序电压继电器 KVZ LYJ

9 继电器 KT SJ

10 功率继电器 KP GJ

11 差动继电器 KD CJ

12 信号继电器 KS XJ

13 信号冲击继电器 KAI XMJ

14 继电器 KC ZJ

15 热继电器 KR RJ

16 阻抗继电器 KI ZKJ

17 温度继电器 KTP WJ

18 瓦斯继电器 KG WSJ

19 合闸继电器 KCR或KON HJ

20 跳闸继电器 KTR TJ

21 合闸 继电器 KCP HWJ

22 跳闸 继电器 KTP TWJ

23 电源视继电器 KVS JJ

24 压力视继电器 KVP YJJ

25 电压 继电器 KVM YZJ

26 事故信号 继电器 KCA SXJ

27 继电保护跳闸出口继电器 KOU BCJ

28 手动合闸继电器 KCRM SHJ

29 手动跳闸继电器 KTPM STJ

30 加速继电器 KAC或KCL JSJ

31 复归继电器 KPE FJ

32 闭锁继电器 KLA或KCB BSJ

33 同期检查继电器 KSY TJJ

34 自动准同期装置 ASA ZZQ

35 自动重合闸装置 ARE ZCJ

36 自动励磁调节装置 AVR或AAVR ZTL

37 备用电源自动投入装置 AATS或RSAD BZT

38 按扭 SB AN

39 合闸按扭 SBC HA

40 跳闸按扭 SBT TA

41 复归按扭 SBre或SBR FA

42 试验按扭 SBte YA

43 紧急停机按扭 SBes JTA

44 起动按扭 SBst QA

45 自保持按扭 SBhs BA

46 停止按扭 SBss

47 控制开关 SAC KK

48 转换开关 SAH或SA ZK

49 测量转换开关 SAM CK

50 同期转换开关 SAS TK

51 自动同期转换开关 2SASC DTK

52 手动同期转换开关 1SASC STK

5

4. KT空调代码F2是什么意思

电子体温计怎么调试

1、通常在一般情况下，可以通过长按MODE调整键来对电子体温计进行调试的。

2、但在很多时候，也可以采用另外的一种方式来进行电子体温计的调式，可以通过连续短按SET 调整键2次，之后我们就可以进入F2模式，这时松开手，我们就可以对电子体温计的F2参数进行设置。

3、 此时，我们可以通过按向下键或者是按向上键来切换华氏度温度单位或者是摄氏度温度单位，在这里我们可以依照自己的需要，进行不同的单位选择。

4、在完成上述操作后，最后我们只需要再按SET调整键1次，确认单位设置，完成所有的操作后，我们就对电子体温计完成了调试。

5. 空调 F4

格力空调显示F4代表室内管温传感器故障。可以造成室内管温传感器故障的原因是比较多的,

贿具体的判断出空调的故障原因，才能够具体的解决问题。

格力空调显示F4的时候，首先需要考虑是不是空调的室内管的温控器出现了故障，又或者是不

是空调的传感器的插脚出现了脱落或者是接触不良。

空调在出现F4的时候，也有可能是空调的传感器出现了损坏，这样的话空调的阻值就不对了，除此之外，空调的电路板出现故障，这样就没有办法接收信号以及发出控制空调了，这样在使用空调时也是会出现F4代码的

6. KT空调f6如何解决

空调是现代生活中不可缺少的一部分，它提高了人们的生活水平，使人们在适宜的温度下生活。但是做为家用电器，长时间的使用，也难免会出现故障，那么出现故障该怎么办呢？本文就教教大家怎么处理。

空调基础知识

核心部件

空调器的制冷（制热）系统由压缩机、冷凝器、毛细管（或电子膨胀阀）、蒸发器四大部分组成。分体式空调器中，这4大部件分为室内机和室外机两部分。室外机有压缩机、冷凝器、毛细管（或电子膨胀阀）3大制冷（制热）部件，室内机只有1只蒸发器，它们之间用管路、截止阀来连接，从而成为一个完整的制冷（制热)系统。

压缩机

将气体压缩，将低压气体变成高压气体，常见的有涡旋式压缩机、转子式压缩机，为制冷剂提供从高温环境吸热、向高温环境放热的能量，帮助制冷剂循环顺利进行。

冷凝器

将制冷剂由气体冷凝变成液体，放出热量。

节流装置

将高压液体变成低温低压液体，常见的有毛细管和膨胀阀，制冷剂压力越低，沸点越低，节流装置的作用就是将制冷剂的压力降低到制冷剂对应的沸点比制冷时室内温度（需要从室内吸热），制热时的室外温度低（需要从室外吸热），保证制冷剂能从空气吸热，正常蒸发。

蒸发器

将制冷剂由液体蒸发变成气体，吸收热量。

循环原理：

制冷和制热原理

制冷

空调制冷时，制冷剂先经过压缩机变成高压气体；然后经过室外机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室内机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。

制热

空调制热时，制冷剂先经过压缩机变成高压气体，然后会先经过室内机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室外机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。

注意制冷制热时，制冷剂流向是不同的，制冷时先流过室外机换热器，此时室外机是冷凝器，室内机是蒸发器；制热时，制冷剂先流过室内机换热器，此时室内机是冷凝器，室外机是蒸发器。制冷制热不同状态时，空调会通过四通阀改变制冷剂的流向。上图红色方框内为四通阀。如果没有四通阀，空调只能实现单一制冷或者制热，不能冷热切换。

检修思路

空调检修遵循由室内到室外再到中间，先易后难。要想电路故障检修具体和简单化，就要在检修时把室内与室外电路、主电路与控制电路故障区别开来。

控制与主电路故障

1、对于压缩机频繁开停故障，可通过测量空调器负载电压与压缩机运行电流来判断故障部位。如压缩机运转电流过大，说明故障在主电路；如压缩机运转电流正常，说明故障在控制电路。

2、对于风机运转压缩机不启动故障，可通过观察室外交流接触器是否吸合来判定故障部位。如接触器吸合而压缩机不工作，说明故障在主电路；如接触器不吸合，说明故障在控制电路。对于变频空调压机不启动，可通过检测功率模块来排除故障。

3、测量室内与室外保护元件是否正常，来判断故障区域。如测量保护元件正常，说明故障在控制电路；如测量保护元件损坏，说明故障在主电路。

4、对于压缩机不运转故障，还可通过强行按动接触器，观察压缩机是否能正常制冷。如按下接触器后压缩机能运转且制冷，说明故障在控制电路；如按下接触器压缩机过流或不启动，说明故障在主电路。(变频压缩机不能采用此法)

5、对于压缩机频繁启动故障，如摸压缩机外壳温度过高，多为主电路或压缩机本身故障。

6、对于变频空调来说，可以通过空调器的故障指示灯来进行判断，如功率模块、通讯故障等。

室内与室外电路故障

1、有输入与输出信号线的空调器，可以使用短接方法来进行判断。如采用上述方法后空调器能恢复正常，说明故障在室外机；如故障没有消除，说明故障在室内机。

2、测量室外机接线端上有无交流或直流电压判断故障部位。如测量室外接线端子上有交流或直流电压，说明故障在室外机；如测量无交流或直流电压，说明故障在室内电路。

3、对功率较大的柜式空调器可通过观察室外接触器是否吸合，来判断故障部位。如接触器吸合，说明故障在室外机；如没有吸合，说明故障在室内机。

4、对于有故障显示的空调器可通过观察室内与室外故障代码来区分故障部位。

5、对于采用串行通讯的空调器电路，可用示波器测量信号线的波形来判断故障部位。

6、对于热泵型空调器不除霜或除霜频繁，则多为室外主控电路板故障。

7、有条件也可通过更换电路板来区分室外机故障。

空调故障检修方法

1、插上电源插头，室内机电源指示灯亮，如无电源指示，说明您家的电源有故障或指示灯损坏。（下图左起第一个为电源指示灯）

2、有电源指示，用遥控器按操作键，信号发射不出去。首先，检查遥控器内的电池是否有电，然后检查电池的正负极片触点有无氧化腐蚀，若上述正常，检查遥控器内部电路板是否损坏，可将遥控器靠近一台调幅收音机，按遥控器键进行干扰试验，听收音机是否发出有“嘟嘟”声，有声说明遥控器无故障。

3、当遥控器确定无故障时，信号还是发射不出去时，可用室内机强制运行开关验证，强制运行时，室内贯流风机和室外压缩机若运转正常，制冷效果良好，则证明空调器室内机红外接收部位有故障。

4、当你使用的遥控器装上新电池使用不到一个月就不显示时，可将遥控器的后盖打开，用95%的酒精清洗一下电路板和按键触点面导电胶片，干燥后，即可排除漏电故障，遥控器液晶显示缺字也可采用这种方法。

5、变频空调器中的温度传感器起着非常重要的作用，室内机有空气温度传感器和蒸发器温度传感器;室外机有空气温度传感器，高压管路传感器和低压管路传感器，有的传感器在长期使用后发生阻值变化，使控制特性改变，(如室内机空气温度传感器阻值变大后，会引起变频器输出频率偏低)，为了保证控制精度，及其相同的工作特性，确定传感器故障后，应换用原型号的产品。

6、在空调器出现故障时，如果鉴别整个控制系统是否有故障，可将室内机控制器上的开关放在“试运行”挡上，此时微处理器会向变频器发出一个频率为50Hz的信号。若此时空调器能运转，并保持频率不变工作，一般认为整个控制系统无大问题，可着重检查各传感器是否完好。如果空调器不能正常运行，说明控制系统有故障。

故障情况分析

常规故障现象成因

故障一　　

现象：空调系统不工作且空调的压缩机不吸合。　

成因：制冷剂部分或全部泄露。　　

维修：找出导致制冷剂泄漏的故障点，并更换损坏的零件，然后重新将其抽成真空状态，再添加适量的制冷剂。容易发生制冷剂泄漏的部位有：管路及其密封圈、冷凝管、膨胀阀、压力开关等。　　

故障二　　

现象：空调不能制冷，压缩机能够吸合，但低压很低且排出管表面温度极高。　　

成因：膨胀阀上的感温头损坏，导致冷媒泄漏无法制冷。　　

维修：将坏掉的感温头换掉，并将系统抽成真空、保压，然后根据空调规定的剂量适量添加制冷剂。　

故障三　　

现象：空调系统不工作且空调的压缩机不吸合，但空调系统内的压力平衡。　　

成因：空调系统的保险片、继电器、热敏电阻接线、冷凝风扇接线等部件出现问题。　　

维修：对上述部件一一进行排拆，更换掉损坏的的部件。　　

故障四　　

现象：制冷效果不佳，风量较小，且机箱运行噪声较大。　　

成因：空调的管道中有异物进入，或者灰尘堆积导致过滤网阻塞。　　

维修：定期拆下过滤网并对过滤网进行清洗，清洁管道，然后重新安装。　　

故障五　　

现象：空调制冷效果不佳，机箱正常运行但高、低压的压力均过高。　　

成因：添加了过量的制冷剂，或在压缩机中添加了过多的润滑油。　　

维修：如果是制冷剂添加过多，则排出、回收多余的制冷剂；若润滑油加注过多，拭去多余的润滑油到合适的剂量。然后同样要进行抽空、保压、加制冷剂等步骤。　　

故障六　　

现象：随着使用时间变长，空调的制冷效果变差，高低压压力都偏低。　　

成因：使用时各个部件的街头松动。　　

维修：将松动的接头处重新拧紧。

常规故障分析排除

以下几种故障就在日常生活中是比较常见。如果家中的空调运行不正常，大家可以对比以下几条，找出故障的原因，并进行简单的维修，然后我们的空调机就又能正常运行啦。

压缩机不能运行

原因1：电源故障　　

排除：用万用表、电笔遂项检查排除故障。保险丝坏则更换保险丝，电线断则更换电线　　

原因2：电源电压太低　　

排除：用万用表测量电压值，必要时配用电源稳压装置　　

原因3：电线连接松脱或断路　　

排除：检查电线连接部位，松脱的接插件应重新插牢、插紧，应由专业人员检修　　

空调维修压缩机长时间运行而不能自停　　

原因1：由于制冷剂量不足，制冷剂全部或部分泄漏导致　　

排除：查出泄漏部位，补漏，将制冷系统重新抽真空，加入制冷剂等，应由专业人员维修　　

原因2：过滤器堵塞。　　

排除：可更换过滤器，制冷系统重新抽真空、加入制冷剂等，应由专业人员维修　　

风机不能运行　　

原因1：主控开关接触不良　　

排除：用万用表测量主控开关触点电阻，电阻太大或为零时，应作修复或更换处理　　

原因2：风扇电机线圈损坏　　

排除：用万用表检查，更换相同规格、相同转速的风扇电机　　

原因3：风机的电机与风叶间紧定螺钉松脱　　

排除：将紧定螺钉紧固　　

原因4：风扇电容器短路或短路　　

排除：检查电容器，更换相同规格的电容器　　

压缩机起动与停止频繁　　

原因1：室温控制值设置不当　　

排除：适当增大室内控制温度与原室温之间的差值　　

原因2：环境温度过高　　

排除：改善工作环境，如设置遮栅，避免阳光直晒，将空调器安装在通风良好的环境等　　

原因3：冷凝器太脏　　

排除：清洗冷凝器，去除冷凝器外表面的尘埃　　

冷暖型空调器制冷制热调节失灵　　

原因1：电磁换向阀线圈故障　　

排除：用万用表测量电磁换向阀线圈，若属线圈断路或烧毁，应更换新的同规格电磁阀　　

原因2：电加热装置故障　　

排除：用万用表检查，更换相同规格的电加热丝或温度保护器　　

原因3：温度控制器失灵　　

排除：用万用表检查温控器，对触点作除锈污处理后如依然无效，则应更换相同规格温度控制器　　

空调器噪音和振动较大　　

原因1：固定螺钉松动或脱落　　

排除：检查螺钉松动的地方，并将其拧紧　　

原因2：压缩机管路相碰　　

排除：用手适当调整高、低压管的开头或者在易相碰的管子上套上橡皮管，以免相碰时发出异常噪声。

维修费用

家用空调修理费用要多少？

其实费用的问题，还是要根据维修程度来看，大部分可以分为小修、中修、大修。

1、小程度修理

小城府的修理，原因一般都是小零件故障、家用空调有噪音出现等等，问题不大，修理费用也没有那么多，一般价格在50-100元之间。

2、中程度修理

中修的价格可能在100-300元之间，大多是因为家用空调上的一些零件要更换，比如更换挂机底座、组件、柜机箱体等等。

3、大程度修理

大修的价格则在300-1000元之间，具体什么问题，就需要根据家用空调实际故障而定。

空调维修安装收费价格：

常规品牌售后电话

欧美品牌

开利空调Carrier全国服务热线/售后电话：400-900-0888

约克空调YORK全国服务热线/售后电话：400-820-6607

特灵空调Trane全国服务热线/售后电话：400-828-8240

麦克维尔空调Mcquay全国服务热线/售后电话：951-05363

克莱门特空调Climaveneta全国服务热线/售后电话：400-880-7575

欧科空调EK全国服务热线/售后电话：400-188-1963

美国美意空调Mammoth全国服务热线/售后电话：400-820-1700

国产品牌

天加空调Tica全国服务热线/售后电话：400-860-1601

美的空调Midea全国服务热线/售后电话：400-889-9315

格力空调Gree全国服务热线/售后电话：400-836-5315

海尔空调Haier全国服务热线/售后电话：400-699-9999

雅士空调Airmaster全国服务热线/售后电话：400-053-0800

台佳空调TECKA全国服务热线/售后电话：400-671-2725

海信空调Hisense全国服务热线/售后电话：（安装）400-801-1111（维修）400-611-1111

志高空调Chigo全国服务热线/售后电话：4006-757-888

盾安空调Dunan全国服务热线/售后电话：400-600-3333

奥克斯空调Aux全国服务热线/售后电话：400-826-8268

国祥空调kingair全国服务热线/售后电话：400-826-0708

扬子空调Yair全国服务热线/售后电话：400-887-7000

格兰仕空调Galanz全国服务热线/售后电话：4008-300-888

TCL中央空调全国服务热线/售后电话：400-812-3456

日系品牌

大金空调Daikin全国服务热线/售后电话：400-820-1081

东芝空调Toshiba全国服务热线/售后电话：400-888-0208

日立空调HITACHI全国服务热线/售后电话：400-860-1111

三菱空调Mitsubishi全国服务热线/售后电话：400-181-3030（中央空调）400-700-3030（家用空调）

松下空调Panasonic全国服务热线/售后电话：400-881-1315

合资品牌

顿汉布什Dunham-bush全国服务热线/售后电话：800-7070-998

新晃空调SINKO全国服务热线/售后电话：400-018-1518

西屋康达空调Siukonda全国服务热线/售后电话：400-0757-200

韩国品牌

LG空调全国服务热线/售后电话：400-611-9999（中央空调），400-819-8008（空调溴化锂/离心机/螺杆机）

三星空调Samsung全国服务热线/售后电话：400-810-5858

空调保养

1、经常清扫空调器面板和机壳的灰尘

一般使用干布擦拭。先擦拭，然后再用清水湿擦布擦除掉洗涤剂。切勿用40度以上热水、汽油、挥发性油及腐蚀性溶剂擦拭空调器面板和机壳。不应用硬毛刷刷洗空调器，以免损坏外壳，造成脱漆、褪色等。

2、定期清洗空调器的冷凝器和蒸发器盘管

可使用毛刷和吸尘器清洗盘管上的灰尘。注意在清洗时毛刷和吸尘器应沿盘管的垂直方向清扫，切勿沿水平方向清扫，以免碰坏盘管的肋片。

3、定期清洗空调器的空气过滤网

一般2至3周左右清扫一次。清扫时将过滤网抽出，用干的软毛刷刷去过滤网上的灰尘。也可用清水清洗去过滤网上的灰尘。晾干后再装入空调器使用。对灰尘较多的环境，过滤网的清洗应更经常，以免过滤网沾灰尘太多，影响空调器的通风量。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"空调是现代生活中不可缺少的一部分，它提高了人们的生活水平，使人们在适宜的温度下生活。但是做为家用电器，长时间的使用，也难免会出现故障，那么出现故障该怎么办呢？本文就教教大家怎么处理。","id":""}],"text":"","id":"doxcnwGqE8O8usMgiQBVxXwqvkd"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"空调基础知识","id":""}],"text":"","id":"doxcn2m8yOEsisQOyK2m5nN6pYg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"核心部件","id":""}],"text":"","id":"doxcnOy6seiasIICEOcTtpKfPZk"},{"type":"paragraph","children":[{"type":"text","text":"空调器的制冷（制热）系统由压缩机、冷凝器、毛细管（或电子膨胀阀）、蒸发器四大部分组成。分体式空调器中，这4大部件分为室内机和室外机两部分。室外机有压缩机、冷凝器、毛细管（或电子膨胀阀）3大制冷（制热）部件，室内机只有1只蒸发器，它们之间用管路、截止阀来连接，从而成为一个完整的制冷（制热)系统。","id":""}],"text":"","id":"doxcnamMqIkWAoSsE4qeLbnCLYc"},{"type":"image","attrs":{"height":630,"note":[{"type":"text","text":"核心部件","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/33242a7b9e21411780e7d098fdeddee3","width":945},"text":"","id":"doxcnCCeYuue6CgiSiwzAg0iMUh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"压缩机","id":""}],"text":"","id":"doxcnsCy60UMmsyEAa0mts7vjgh"},{"type":"paragraph","children":[{"type":"text","text":"将气体压缩，将低压气体变成高压气体，常见的有涡旋式压缩机、转子式压缩机，为制冷剂提供从高温环境吸热、向高温环境放热的能量，帮助制冷剂循环顺利进行。","id":""}],"text":"","id":"doxcnwsO8OYOUse6Uy4iEm3BhFc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"冷凝器","id":""}],"text":"","id":"doxcna2ykwAqSuYUKICtmcnTvcv"},{"type":"paragraph","children":[{"type":"text","text":"将制冷剂由气体冷凝变成液体，放出热量。","id":""}],"text":"","id":"doxcne8geisc4Sig6mKouqRXLoc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"节流装置","id":""}],"text":"","id":"doxcne2iKYYM0OC6GKWhW3YyLah"},{"type":"paragraph","children":[{"type":"text","text":"将高压液体变成低温低压液体，常见的有毛细管和膨胀阀，制冷剂压力越低，沸点越低，节流装置的作用就是将制冷剂的压力降低到制冷剂对应的沸点比制冷时室内温度（需要从室内吸热），制热时的室外温度低（需要从室外吸热），保证制冷剂能从空气吸热，正常蒸发。","id":""}],"text":"","id":"doxcn8YacUs6UmwkQyEPJjiDs0c"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"蒸发器","id":""}],"text":"","id":"doxcnA0GIau4QUA0MCYCPDOrG5c"},{"type":"paragraph","children":[{"type":"text","text":"将制冷剂由液体蒸发变成气体，吸收热量。","id":""}],"text":"","id":"doxcn4MMaSaUM4eI6gb7y7tiQWg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"循环原理：","id":""}],"text":"","id":"doxcnEQCmwMwquugQKy1jpW3Fbh"},{"type":"image","attrs":{"height":540,"note":[{"type":"text","text":"循环原理：","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/8699bb2d14464b7196b92e072a8103d8","width":1024},"text":"","id":"doxcnsWwkYSgoUeEaCaX6nDz7vb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"制冷和制热原理","id":""}],"text":"","id":"doxcnKkC2CECMK2miCiB9XVbtQf"},{"type":"image","attrs":{"height":682,"note":[{"type":"text","text":"制冷和制热原理","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/2b257991c5cf4426bc5995d744e343f6","width":1024},"text":"","id":"doxcnAgUsM2syeWAc84N9SJ28vb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"制冷","id":""}],"text":"","id":"doxcn0YMW0cogk0EQ2XRj8uqOse"},{"type":"paragraph","children":[{"type":"text","text":"空调制冷时，制冷剂先经过压缩机变成高压气体；然后经过室外机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室内机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。","id":""}],"text":"","id":"doxcn2Miqo6U2qeSQFJBkVJuWs8"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"制热","id":""}],"text":"","id":"doxcnOI4w8kQsmcYGAxbUT0oGhh"},{"type":"paragraph","children":[{"type":"text","text":"空调制热时，制冷剂先经过压缩机变成高压气体，然后会先经过室内机换热器（冷凝器）冷凝放热变成高压液体；然后高压液体经过节流装置，会变成低温低压的液体；然后经过室外机换热器（蒸发器）蒸发吸热变成低温低压的气体，最后再回到压缩机。","id":""}],"text":"","id":"doxcnMoU8kcyySqOO6x3oipzrcf"},{"type":"paragraph","children":[{"type":"text","text":"注意制冷制热时，制冷剂流向是不同的，制冷时先流过室外机换热器，此时室外机是冷凝器，室内机是蒸发器；制热时，制冷剂先流过室内机换热器，此时室内机是冷凝器，室外机是蒸发器。制冷制热不同状态时，空调会通过四通阀改变制冷剂的流向。上图红色方框内为四通阀。如果没有四通阀，空调只能实现单一制冷或者制热，不能冷热切换。","id":""}],"text":"","id":"doxcnCaEuW4qM0wEEdkYIZRknhy"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"检修思路","id":""}],"text":"","id":"doxcn4s6i2GG6WAKS4BXLXnf0yg"},{"type":"paragraph","children":[{"type":"text","text":"空调检修遵循由室内到室外再到中间，先易后难。要想电路故障检修具体和简单化，就要在检修时把室内与室外电路、主电路与控制电路故障区别开来。","id":""}],"text":"","id":"doxcncKIooiG6GKkmC1sN95Vcea"},{"type":"image","attrs":{"height":434,"note":[{"type":"text","text":"检修思路","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1b313addc088496daf46fc1aa834fc2f","width":1024},"text":"","id":"doxcnGCWKIKYIawOqyio3Ifb1Pa"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"控制与主电路故障","id":""}],"text":"","id":"doxcnUAG0Ymsoyg8cYT8nKOxpEf"},{"type":"paragraph","children":[{"type":"text","text":"1、对于压缩机频繁开停故障，可通过测量空调器负载电压与压缩机运行电流来判断故障部位。如压缩机运转电流过大，说明故障在主电路；如压缩机运转电流正常，说明故障在控制电路。","id":""}],"text":"","id":"doxcnAO2eKOKCKSKek5KJRMwPCf"},{"type":"paragraph","children":[{"type":"text","text":"2、对于风机运转压缩机不启动故障，可通过观察室外交流","id":""},{"type":"text","text":"接触器","id":""},{"type":"text","text":"是否吸合来判定故障部位。如接触器吸合而压缩机不工作，说明故障在主电路；如接触器不吸合，说明故障在控制电路。对于变频空调压机不启动，可通过检测功率模块来排除故障。","id":""}],"text":"","id":"doxcnWGs64aUMSwAGmOhRV3UWfc"},{"type":"image","attrs":{"height":904,"note":[{"type":"text","text":"控制与主电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/a55c8ce63b074b8fabb7a5e6851e3e5d","width":1024},"text":"","id":"doxcnwCiO0CIce2S8eocyvRtGLc"},{"type":"paragraph","children":[{"type":"text","text":"3、测量室内与室外保护元件是否正常，来判断故障区域。如测量保护元件正常，说明故障在控制电路；如测量保护元件损坏，说明故障在主电路。","id":""}],"text":"","id":"doxcnWSOkc0iA2CAcKZ399bRnYd"},{"type":"paragraph","children":[{"type":"text","text":"4、对于压缩机不运转故障，还可通过强行按动接触器，观察压缩机是否能正常制冷。如按下接触器后压缩机能运转且制冷，说明故障在控制电路；如按下接触器压缩机过流或不启动，说明故障在主电路。(变频压缩机不能采用此法)","id":""}],"text":"","id":"doxcnSwUm6koGi4iWUxar4PRV1k"},{"type":"paragraph","children":[{"type":"text","text":"5、对于压缩机频繁启动故障，如摸压缩机外壳温度过高，多为主电路或压缩机本身故障。","id":""}],"text":"","id":"doxcn24uQUkWQgsyGwfjcfRzD4c"},{"type":"paragraph","children":[{"type":"text","text":"6、对于变频空调来说，可以通过空调器的故障指示灯来进行判断，如功率模块、通讯故障等。","id":""}],"text":"","id":"doxcnqE44k8kycqwuccBOIa7kQl"},{"type":"image","attrs":{"height":921,"note":[{"type":"text","text":"控制与主电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1945f5c0c30d4366bdcc7cf7d3f1086b","width":1024},"text":"","id":"doxcnss6wuyAUCi2QsfoiThcOph"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"室内与室外电路故障","id":""}],"text":"","id":"doxcnOEqKMCwG6UOGiEVnhA7Pid"},{"type":"paragraph","children":[{"type":"text","text":"1、有输入与输出信号线的空调器，可以使用短接方法来进行判断。如采用上述方法后空调器能恢复正常，说明故障在室外机；如故障没有消除，说明故障在室内机。","id":""}],"text":"","id":"doxcnOKg8GKmwIqAaOSOwoFHKZb"},{"type":"paragraph","children":[{"type":"text","text":"2、测量室外机接线端上有无交流或直流电压判断故障部位。如测量室外接线端子上有交流或直流电压，说明故障在室外机；如测量无交流或直流电压，说明故障在室内电路。","id":""}],"text":"","id":"doxcnEkC6S2Sa4ii2QRC5MvF9YU"},{"type":"paragraph","children":[{"type":"text","text":"3、对功率较大的柜式空调器可通过观察室外接触器是否吸合，来判断故障部位。如接触器吸合，说明故障在室外机；如没有吸合，说明故障在室内机。","id":""}],"text":"","id":"doxcn4MQOAQcoywaWKUuMN0ZAbf"},{"type":"paragraph","children":[{"type":"text","text":"4、","id":""},{"type":"text","text":"对于有故障显示的空调器可通过观察室内与室外故障代码来区分故障部位。","id":""}],"text":"","id":"doxcnaew8KwG204ueKYmOddb6sg"},{"type":"image","attrs":{"height":1123,"note":[{"type":"text","text":"室内与室外电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/05707a70b14d47878b00d9097bf1980c","width":720},"text":"","id":"doxcnKeKeMAceuaAA2VKhUd3dWg"},{"type":"paragraph","children":[{"type":"text","text":"5、对于采用串行通讯的空调器电路，可用示波器测量信号线的波形来判断故障部位。","id":""}],"text":"","id":"doxcnCW6wAMcQsMyE1BE7TkdBuH"},{"type":"paragraph","children":[{"type":"text","text":"6、对于热泵型空调器不除霜或除霜频繁，则多为室外主控电路板故障。","id":""}],"text":"","id":"doxcnC4yqW6wEUYk4meQY6xuJpb"},{"type":"paragraph","children":[{"type":"text","text":"7、有条件也可通过更换电路板来区分室外机故障。","id":""}],"text":"","id":"doxcnMkQcsesyaOW4QJr7HcdU1d"},{"type":"image","attrs":{"height":475,"note":[{"type":"text","text":"室内与室外电路故障","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1536b9fa2b804c0a87fca19182ef4960","width":712},"text":"","id":"doxcnQysOAsamsgCOo7sPs13m9c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"空调故障检修方法","id":""}],"text":"","id":"doxcnocY2wcqqKQUaI92cNzs7mh"},{"type":"paragraph","children":[{"type":"text","text":"1、插上电源插头，室内机电源指示灯亮，如无电源指示，说明您家的电源有故障或指示灯损坏。（下图左起第一个为电源指示灯）","id":""}],"text":"","id":"doxcnaucUWCkEgqcqM1ZMJ4hHJc"},{"type":"image","attrs":{"height":1200,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4fb08fac1058410a97357c20d8163459","width":1600},"text":"","id":"doxcn8Yo0SAgmy6WQgLaz2Rwfjc"},{"type":"paragraph","children":[{"type":"text","text":"2、有电源指示，用遥控器按操作键，信号发射不出去。首先，检查遥控器内的电池是否有电，然后检查电池的正负极片触点有无氧化腐蚀，若上述正常，检查遥控器内部电路板是否损坏，可将遥控器靠近一台调幅收音机，按遥控器键进行干扰试验，听收音机是否发出有“嘟嘟”声，有声说明遥控器无故障。","id":""}],"text":"","id":"doxcneyy8Cw6SYMMyOWfGpeeCtb"},{"type":"image","attrs":{"height":1080,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/dd92a6c3eafb4cf683a1ae453b844638","width":1080},"text":"","id":"doxcnsu0KAWkkaqmEU78B8jdG7c"},{"type":"paragraph","children":[{"type":"text","text":"3、当遥控器确定无故障时，信号还是发射不出去时，可用室内机强制运行开关验证，强制运行时，室内贯流风机和室外压缩机若运转正常，制冷效果良好，则证明空调器室内机红外接收部位有故障。","id":""}],"text":"","id":"doxcnwQAcUiq4kGG2MDNe1IRwPd"},{"type":"paragraph","children":[{"type":"text","text":"4、当你使用的遥控器装上新电池使用不到一个月就不显示时，可将遥控器的后盖打开，用95%的酒精清洗一下电路板和按键触点面导电胶片，干燥后，即可排除漏电故障，遥控器液晶显示缺字也可采用这种方法。","id":""}],"text":"","id":"doxcnO0o84cEiomwaWWwf2zroLb"},{"type":"paragraph","children":[{"type":"text","text":"5、变频空调器中的温度传感器起着非常重要的作用，室内机有空气温度传感器和蒸发器温度传感器;室外机有空气温度传感器，高压管路传感器和低压管路传感器，有的传感器在长期使用后发生阻值变化，使控制特性改变，(如室内机空气温度传感器阻值变大后，会引起变频器输出频率偏低)，为了保证控制精度，及其相同的工作特性，确定传感器故障后，应换用原型号的产品。","id":""}],"text":"","id":"doxcn4iIOwIIOQwiWULpvskAqKe"},{"type":"image","attrs":{"height":603,"note":[{"type":"text","text":"空调故障检修方法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj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