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href='http://www.yogdurma.com/news/31.html'>http://www.yogdurma.com/news/31.html</a></p> </article> <article class="info"> <div class="bd"> <div>  一、空调电路故障检修思èµ\<br /> <br /> 由室内到室外的两端到中间åQŒå…ˆæ˜“后难ã€?br /> <br /> 要想电èµ\故障‹‚€ä¿®å…·ä½“å’Œ½Ž€å•åŒ–åQŒå°±è¦åœ¨‹‚€ä¿®æ—¶æŠŠå®¤å†…与室外电èµ\、主电èµ\与控制电路故障区别开来ã€?br /> <br /> 二、控制与ä¸È”µè·¯æ•…éš?br /> <br /> 1、对于压¾~©æœºé¢‘繁开停故障,可通过‹¹‹é‡½Iø™°ƒå™¨è´Ÿè½½ç”µåŽ‹ä¸ŽåŽ‹ç¾ƒæœø™¿è¡Œç”µ‹¹æ¥åˆ¤æ–­æ•…障部位ã€?br /> <br /> 如压¾~©æœº˜qè{甉|µ˜q‡å¤§åQŒè¯´æ˜Žæ•…障在ä¸È”µè·¯ï¼›å¦‚压¾~©æœº˜qè{甉|µæ­£å¸¸åQŒè¯´æ˜Žæ•…障在控制电èµ\ã€?br /> <br /> 2、对于风æœø™¿è½¬åŽ‹¾~©æœºä¸å¯åŠ¨æ•…障,可通过观察室外交流接触器是否吸合来判定故障部位ã€?br /> <br /> 如接触器吸合而压¾~©æœºä¸å·¥ä½œï¼Œè¯´æ˜Žæ•…障在主电èµ\åQ›å¦‚接触器不吸合åQŒè¯´æ˜Žæ•…障在控制电èµ\。对于变频空调,压机不启动,可通过‹‚€‹¹‹åŠŸçŽ‡æ¨¡å—来排除故障ã€?br /> <br /> 3、测量室内与室外保护元äšg是否正常åQŒæ¥åˆ¤æ–­æ•…障区域ã€?br /> <br /> 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èµ\ã€?br /> <br /> 4、对于压¾~©æœºä¸è¿è½¬æ•…障,˜q˜å¯é€šè¿‡å¼ø™¡ŒæŒ‰åŠ¨æŽ¥è§¦å™¨ï¼Œè§‚察压羃机是否能正常制冷ã€?br /> <br /> 如按下接触器后压¾~©æœºèƒ½è¿è½¬ä¸”制冷åQŒè¯´æ˜Žæ•…障在控制电èµ\åQ›å¦‚按下接触器压¾~©æœº˜q‡æµæˆ–不启动åQŒè¯´æ˜Žæ•…障在ä¸È”µè·¯ã€?变频压羃æœÞZ¸èƒ½é‡‡ç”¨æ­¤æ³?<br /> <br /> 5、对于压¾~©æœºé¢‘繁启动故障åQŒå¦‚摸压¾~©æœºå¤–壳温度˜q‡é«˜åQŒå¤šä¸ÞZ¸»ç”µèµ\或压¾~©æœºæœ¬èín故障ã€?br /> <br /> 6、对于变频空调来è¯ß_¼Œå¯ä»¥é€šè¿‡½Iø™°ƒå™¨çš„故障指示灯来˜q›è¡Œåˆ¤æ–­åQŒå¦‚功率模块、通讯故障½{‰ã€?br /> <br /> 三、室内与室外电èµ\故障<br /> <br /> 1、有输入与输å‡ÞZ¿¡åïLº¿çš„空调器åQŒå¯ä»¥ä‹É用短接方法来˜q›è¡Œåˆ¤æ–­ã€?br /> <br /> 如采用上˜q°æ–¹æ³•åŽ½Iø™°ƒå™¨èƒ½æ¢å¤æ­£å¸¸åQŒè¯´æ˜Žæ•…障在室外机;如故障没有消除,说明故障在室内机ã€?br /> <br /> 2、测量室外机接线端上有无交流或直‹¹ç”µåŽ‹åˆ¤æ–­æ•…障部位ã€?br /> <br /> 如测量室外接¾U¿ç«¯å­ä¸Šæœ‰äº¤‹¹æˆ–直流电压åQŒè¯´æ˜Žæ•…障在室外机;如测量无交流或直‹¹ç”µåŽ‹ï¼Œè¯´æ˜Žæ•…障在室内电路ã€?br /> <br /> 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ã€?br /> <br /> 如接触器吸合åQŒè¯´æ˜Žæ•…障在室外机;如没有吸合,说明故障在室内机ã€?br /> <br /> 4、对于有故障昄¡¤ºçš„空调器可通过观察室内与室外故障代码来区分故障部位ã€?br /> <br /> 5、对于采用串行通讯的空调器电èµ\åQŒå¯ç”¨ç¤ºæ³¢å™¨‹¹‹é‡ä¿¡å·¾U¿çš„æ³¢åŞ来判断故障部位ã€?br /> <br /> 6、对于热泵型½Iø™°ƒå™¨ä¸é™¤éœœæˆ–除霜频¾Jï¼Œåˆ™å¤šä¸ºå®¤å¤–主控电路板故障ã€?br /> <br /> 7、有条äšg也可通过更换电èµ\板来区分室外机故障ã€?br /> <img style="max-width:100%;" src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1556614539895&di=dd528c9d93185a79957155d09483ae9a&imgtype=0&src=http%3A%2F%2Fpics.wy-kc.com%2Fupload%2F1597%2Fadmin%2F20190321%2F3f06d99a3adb31529aba1cff9a26e16d.jpg" /><br /> 四、空调故障常规检修方æ³?br /> <br /> 1、插上电源插å¤ß_¼Œå®¤å†…机电源指½Cºç¯äº®ï¼Œå¦‚无甉|ºæŒ‡ç¤ºåQŒè¯´æ˜Žæ‚¨å®¶çš„甉|ºæœ‰æ•…障或指示½{‰æŸåã€?br /> <br /> 2、有甉|ºæŒ‡ç¤ºåQŒç”¨é¥æŽ§å™¨æŒ‰æ“ä½œé”®ï¼Œä¿¡å·å‘射不出厅R€‚首先,‹‚€æŸ¥é¥æŽ§å™¨å†…的甉|± æ˜¯å¦æœ‰ç”µåQŒç„¶åŽæ£€æŸ¥ç”µæ± çš„正负极片触点有无氧化腐蚀ã€?br /> <br /> 若上˜q°æ­£å¸¸ï¼Œ‹‚€æŸ¥é¥æŽ§å™¨å†…部电èµ\板是否损坏,可将遥控å™?˜q‘一台调òq…收éŸÏxœºåQŒæŒ‰é¥æŽ§å™¨é”®˜q›è¡Œòq²æ‰°è¯•éªŒåQŒå¬æ”‰™Ÿ³æœºæ˜¯å¦å‘出有“嘟嘟”声åQŒæœ‰å£°è¯´æ˜Žé¥æŽ§å™¨æ— æ•…éšœã€?br /> <br /> 3、当遥控器确定无故障æ—Óž¼Œä¿¡å·˜q˜æ˜¯å‘射不出åŽÀL—¶åQŒå¯ç”¨å®¤å†…机强制˜qè¡Œå¼€å…³éªŒè¯ï¼Œå¼ºåˆ¶˜qè¡Œæ—Óž¼Œå®¤å†…贯流风机和室外压¾~©æœºè‹¥è¿è½¬æ­£å¸¸ï¼Œåˆ¶å†·æ•ˆæžœè‰¯å¥½åQŒåˆ™è¯æ˜Ž½Iø™°ƒå™¨å®¤å†…机¾U¢å¤–接收部位有故障ã€?br /> <br /> 4、当你ä‹É用的遥控器装上新甉|± ä½¿ç”¨ä¸åˆ°ä¸€ä¸ªæœˆž®×ƒ¸æ˜„¡¤ºæ—Óž¼Œå¯å°†é¥æŽ§å™¨çš„后盖打开åQŒç”¨95%的酒¾_¾æ¸…‹z—一下电路板和按键触炚w¢å¯¼ç”µèƒ¶ç‰‡åQŒå¹²ç‡¥åŽåQŒå³å¯æŽ’除漏甉|•…障,遥控器液晶显½Cºç¼ºå­—也可采用这¿Uæ–¹æ³•ã€?br /> <br /> 5、变频空调器中的温度传感器è“v着非常重要的作用,室内机有½Iºæ°”温度传感器和蒸发器温度传感器;<br /> <br /> 室外机有½Iºæ°”温度传感器,高压½Ž¡èµ\传感器和低压½Ž¡èµ\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½Iºæ°”温度传感器阻值变大后åQŒä¼šå¼•è“v变频器输出频率偏ä½?åQŒäؓ了保证控制精度,及其相同的工作特性,¼‹®å®šä¼ æ„Ÿå™¨æ•…障后åQŒåº”换用原型åïLš„产品ã€?br /> <br /> 6、在½Iø™°ƒå™¨å‡ºçŽ°æ•…障时åQŒå¦‚果鉴别整个控制系¾lŸæ˜¯å¦æœ‰æ•…éšœåQŒå¯ž®†å®¤å†…机控制器上的开å…Ïx”¾åœ¨â€œè¯•˜qè¡Œâ€æŒ¡ä¸Šï¼Œæ­¤æ—¶å¾®å¤„理器会向变频器发å‡ÞZ¸€ä¸ªé¢‘率äؓ50Hz的信受÷€?br /> <br /> 若此时空调器能运转,òq¶ä¿æŒé¢‘率不变工作,一般认为整个控制系¾lŸæ— å¤§é—®é¢˜ï¼Œå¯ç€é‡æ£€æŸ¥å„传感器是否完好。如果空调器不能正常˜qè¡ŒåQŒè¯´æ˜ŽæŽ§åˆ¶ç³»¾lŸæœ‰æ•…éšœã€?br /></div> </div> <p align="center" class="pageLink"></p> <p class="text-right">作者:www.yogdurma.com</p> </article> <hr class="m-sx-40" /> <div class="newArtiNext"><div>上一æ?<a href="32.html">武汉开荒保‹zå…¬åæ€»‹¾lå¼€è’保‹zçš„操作步骤</a></div> 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