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燃氣熱水器打不著火怎么辦

燃氣熱(re)水(shui)(shui)器(qi)(qi)打(da)不(bu)著(zhu)火(huo)(huo)(huo)是燃氣熱(re)水(shui)(shui)器(qi)(qi)故障率最高的故障現象(xiang)(xiang)，現在以最普遍(bian)強排(pai)式(shi)或平(ping)衡式(shi)燃氣熱(re)水(shui)(shui)器(qi)(qi)為(wei)例：具(ju)體現象(xiang)(xiang)有排(pai)風機轉動正常，沒有電(dian)(dian)火(huo)(huo)(huo)花(hua)(hua)打(da)火(huo)(huo)(huo)的聲音；有電(dian)(dian)火(huo)(huo)(huo)花(hua)(hua)打(da)火(huo)(huo)(huo)的聲音,但(dan)不(bu)能打(da)著(zhu)火(huo)(huo)(huo)；有的是開啟燃氣熱(re)水(shui)(shui)器(qi)(qi)時(shi)機內沒有任(ren)何反應，電(dian)(dian)源指(zhi)示燈都不(bu)亮的情況。

這(zhe)些是通常熱(re)水器(qi)打不著火(huo)所表(biao)現的(de)具體現象。我們把燃(ran)氣(qi)熱(re)水器(qi)分(fen)(fen)四部分(fen)(fen)來具體分(fen)(fen)析維修熱(re)水器(qi)便可很容易的(de)快速找到熱(re)水器(qi)打不著火(huo)的(de)原因和故障點。

燃氣熱水器打不著火原因

1、燃氣通路（氣路）

無論是(shi)使用(yong)天然(ran)氣(qi)(qi)(qi)(qi)(qi)、液化(hua)石油氣(qi)(qi)(qi)(qi)(qi)、人工(gong)煤氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)用(yong)戶，燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)通(tong)路是(shi)首先(xian)要檢(jian)查(cha)的(de)(de)(de)(de)一步，這(zhe)一部分包括進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)咀、電(dian)(dian)磁(ci)閥(fa)(fa)、水(shui)氣(qi)(qi)(qi)(qi)(qi)聯動(dong)密封閥(fa)(fa)、燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)分氣(qi)(qi)(qi)(qi)(qi)管、燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)噴(pen)咀、燃(ran)(ran)(ran)燒器(qi)或(huo)(huo)(huo)俗稱火(huo)排，這(zhe)些(xie)造成燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)熱(re)水(shui)器(qi)打(da)不著火(huo)主要是(shi)因(yin)為堵(du)塞或(huo)(huo)(huo)不通(tong)暢，進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)咀處有一過(guo)(guo)濾(lv)網，用(yong)于(yu)過(guo)(guo)濾(lv)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)雜質和燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)異物進(jin)(jin)入燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)通(tong)道內部；電(dian)(dian)磁(ci)閥(fa)(fa)在不通(tong)電(dian)(dian)時(shi)的(de)(de)(de)(de)自然(ran)狀態下(xia)是(shi)將(jiang)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)通(tong)路關閉的(de)(de)(de)(de)，它(ta)是(shi)靠熱(re)水(shui)器(qi)脈(mo)沖控制器(qi)供(gong)電(dian)(dian)才(cai)將(jiang)閥(fa)(fa)門打(da)開(kai)通(tong)氣(qi)(qi)(qi)(qi)(qi)后(hou)才(cai)能使熱(re)水(shui)器(qi)點著火(huo)，這(zhe)個位置(zhi)的(de)(de)(de)(de)故(gu)(gu)(gu)障(zhang)率(lv)(lv)極高，但通(tong)常(chang)(chang)不是(shi)電(dian)(dian)磁(ci)閥(fa)(fa)本(ben)身(shen)故(gu)(gu)(gu)障(zhang)造成的(de)(de)(de)(de)，而(er)多數是(shi)由于(yu)它(ta)未能得到(dao)供(gong)電(dian)(dian)電(dian)(dian)壓(ya)而(er)導(dao)致開(kai)不了(le)閥(fa)(fa)，打(da)不著火(huo)的(de)(de)(de)(de)；水(shui)氣(qi)(qi)(qi)(qi)(qi)聯動(dong)密封閥(fa)(fa)處造成打(da)不著火(huo)的(de)(de)(de)(de)故(gu)(gu)(gu)障(zhang)率(lv)(lv)極低;燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)分氣(qi)(qi)(qi)(qi)(qi)管也(ye)很(hen)少見出故(gu)(gu)(gu)障(zhang);燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)噴(pen)咀的(de)(de)(de)(de)孔(kong)徑(jing)很(hen)小(xiao)(xiao)(xiao)，個別品(pin)牌的(de)(de)(de)(de)特殊機(ji)(ji)型(xing)有的(de)(de)(de)(de)比(bi)較大,比(bi)如林內、能率(lv)(lv)、松下(xia)、萬(wan)和、萬(wan)家(jia)樂下(xia)鼓風等機(ji)(ji)型(xing),主要由燃(ran)(ran)(ran)燒器(qi)的(de)(de)(de)(de)設計而(er)定,因(yin)孔(kong)徑(jing)小(xiao)(xiao)(xiao),所(suo)以稍(shao)灰塵可能會造成堵(du)塞造成火(huo)小(xiao)(xiao)(xiao)而(er)打(da)不著火(huo);燃(ran)(ran)(ran)燒器(qi)也(ye)容(rong)易(yi)造成堵(du)塞,堵(du)塞物通(tong)常(chang)(chang)是(shi)蜘蛛網之類,這(zhe)里的(de)(de)(de)(de)溫度和環境(jing)剛好適(shi)合做昆蟲的(de)(de)(de)(de)蝸居,如果(guo)熱(re)水(shui)器(qi)間隔一段時(shi)間未使用(yong),很(hen)可能這(zhe)里就(jiu)(jiu)被它(ta)們占領(ling)了(le),到(dao)你(ni)下(xia)次使用(yong)就(jiu)(jiu)會發現(xian)火(huo)小(xiao)(xiao)(xiao)或(huo)(huo)(huo)打(da)不燃(ran)(ran)(ran)火(huo)的(de)(de)(de)(de)原因(yin)就(jiu)(jiu)在這(zhe)里.

2、水路故障

燃氣熱(re)(re)水(shui)器(qi)(qi)(qi)水(shui)路故(gu)障主要(yao)有進水(shui)口過濾網堵(du)塞、水(shui)閥結垢(gou)、水(shui)箱銅(tong)管變(bian)形(xing)堵(du)塞、水(shui)壓(ya)低(di)等(deng)。它們造成(cheng)燃氣熱(re)(re)水(shui)器(qi)(qi)(qi)打不著火(huo)的(de)共同點(dian)是熱(re)(re)水(shui)器(qi)(qi)(qi)出(chu)(chu)水(shui)量會明(ming)顯(xian)(xian)減小,低(di)至燃氣熱(re)(re)水(shui)器(qi)(qi)(qi)的(de)啟動壓(ya)力(li)0.02MPa的(de)水(shui)壓(ya)時(shi)就無法啟動熱(re)(re)水(shui)器(qi)(qi)(qi)了，老式強制排氣式熱(re)(re)水(shui)器(qi)(qi)(qi)這個現(xian)象很(hen)明(ming)顯(xian)(xian)，所以排除是否(fou)因(yin)為水(shui)路故(gu)障造成(cheng)燃氣熱(re)(re)水(shui)器(qi)(qi)(qi)打不起火(huo)的(de)原因(yin)只需要(yao)觀察出(chu)(chu)水(shui)量或水(shui)壓(ya)是否(fou)過低(di)即可，發現(xian)過低(di)按前(qian)面講的(de)步驟進行即可。

3、電路系統故障

這一部分涉(she)及(ji)的配件較多,是燃氣熱水(shui)器打不著火(huo)的原因(yin)查(cha)找之核心部分,包括(kuo)漏(lou)電(dian)保插頭、熱水(shui)器電(dian)源控制(zhi)盒、脈沖點(dian)火(huo)器、電(dian)磁閥、風(feng)(feng)機啟(qi)動電(dian)容、風(feng)(feng)機、風(feng)(feng)壓檢測開關、微動開關或水(shui)流傳感器開關、點(dian)火(huo)針、感應針、冷(leng)熱水(shui)開關。

燃氣熱(re)水(shui)(shui)器(qi)(qi)電(dian)(dian)(dian)路系(xi)統的工(gong)作(zuo)(zuo)(zuo)原理和(he)流程(cheng):首(shou)先微動(dong)(dong)開關被水(shui)(shui)閥(fa)頂桿推開,微動(dong)(dong)開關閉合(he)使(shi)(shi)脈沖點(dian)(dian)火(huo)(huo)器(qi)(qi)工(gong)作(zuo)(zuo)(zuo)（但(dan)不是在這(zhe)個(ge)(ge)時(shi)(shi)候開始(shi)放(fang)電(dian)(dian)(dian)點(dian)(dian)火(huo)(huo)）,脈沖點(dian)(dian)火(huo)(huo)器(qi)(qi)發出(chu)工(gong)作(zuo)(zuo)(zuo)信號傳(chuan)送(song)至熱(re)水(shui)(shui)器(qi)(qi)電(dian)(dian)(dian)源控(kong)制盒,進而使(shi)(shi)繼(ji)電(dian)(dian)(dian)器(qi)(qi)工(gong)作(zuo)(zuo)(zuo)接通(tong)風(feng)(feng)(feng)機工(gong)作(zuo)(zuo)(zuo)電(dian)(dian)(dian)壓(ya),在啟(qi)動(dong)(dong)電(dian)(dian)(dian)容的作(zuo)(zuo)(zuo)用壓(ya)風(feng)(feng)(feng)機開始(shi)轉(zhuan)動(dong)(dong),同時(shi)(shi)產(chan)生一(yi)個(ge)(ge)負風(feng)(feng)(feng)壓(ya)（有(you)些(xie)熱(re)水(shui)(shui)器(qi)(qi)設計時(shi)(shi)也有(you)采(cai)用正風(feng)(feng)(feng)壓(ya)的）,通(tong)過一(yi)條連接到(dao)風(feng)(feng)(feng)壓(ya)檢測開關的負壓(ya)管,使(shi)(shi)風(feng)(feng)(feng)壓(ya)檢測開關工(gong)作(zuo)(zuo)(zuo),此返回到(dao)脈沖點(dian)(dian)火(huo)(huo)器(qi)(qi)開始(shi)連續(xu)放(fang)電(dian)(dian)(dian)和(he)延時(shi)(shi)2秒吸(xi)開電(dian)(dian)(dian)磁閥(fa)通(tong)氣即(ji)可點(dian)(dian)著火(huo)(huo),感應(ying)(ying)針(zhen)感應(ying)(ying)到(dao)火(huo)(huo)焰正常后即(ji)通(tong)過脈沖給出(chu)電(dian)(dian)(dian)磁閥(fa)持(chi)(chi)(chi)續(xu)的維持(chi)(chi)(chi)電(dian)(dian)(dian)壓(ya),使(shi)(shi)電(dian)(dian)(dian)磁閥(fa)保持(chi)(chi)(chi)在開啟(qi)狀態,燃燒器(qi)(qi)便(bian)可持(chi)(chi)(chi)續(xu)正常工(gong)作(zuo)(zuo)(zuo)。這(zhe)是一(yi)條龍完美服務，任(ren)何一(yi)個(ge)(ge)環節若有(you)服務不周便(bian)會使(shi)(shi)燃氣熱(re)水(shui)(shui)器(qi)(qi)點(dian)(dian)不著火(huo)(huo)。

4、機械故障

主要(yao)有水(shui)(shui)氣(qi)聯動(dong)(dong)(dong)(dong)裝(zhuang)置、風機.水(shui)(shui)氣(qi)聯動(dong)(dong)(dong)(dong)裝(zhuang)置主要(yao)由水(shui)(shui)閥內部水(shui)(shui)壓(ya)(ya)提(ti)供動(dong)(dong)(dong)(dong)力(li),推動(dong)(dong)(dong)(dong)聯動(dong)(dong)(dong)(dong)桿,同時(shi)打開電(dian)路(lu)部分和其中一級燃氣(qi)密封通道,若(ruo)水(shui)(shui)氣(qi)聯動(dong)(dong)(dong)(dong)裝(zhuang)置出現故障整個(ge)電(dian)路(lu)部分都(dou)沒辦(ban)法工作(zuo),同樣(yang)不(bu)打火(huo)水(shui)(shui)不(bu)熱的;風機部分若(ruo)因(yin)風葉卡死或(huo)電(dian)機轉速慢達不(bu)到(dao)風壓(ya)(ya)檢測開關的啟動(dong)(dong)(dong)(dong)壓(ya)(ya)力(li),脈(mo)沖點(dian)火(huo)器無法得風壓(ya)(ya)檢測開關的信號,也會使燃氣(qi)熱水(shui)(shui)器點(dian)不(bu)著(zhu)火(huo)。

從以(yi)上四步(bu)我們不(bu)(bu)難看出，燃氣熱水(shui)器(qi)打不(bu)(bu)著火時按這四步(bu)檢(jian)查(cha)，其故障原因自然就(jiu)明了了，以(yi)上維修(xiu)(xiu)檢(jian)查(cha)步(bu)驟熱水(shui)器(qi)維修(xiu)(xiu)人員(yuan)(yuan)可以(yi)參照進行操作，另外小編在(zai)此(ci)建議廣大用(yong)戶(hu)：燃氣行業屬于(yu)危險行業，非熱水(shui)器(qi)維修(xiu)(xiu)人員(yuan)(yuan)請勿自行維修(xiu)(xiu)熱水(shui)器(qi)，維修(xiu)(xiu)時應報各(ge)品牌的(de)專業售后維修(xiu)(xiu)。