孝義200T吊秤*黎城便攜式汽車衡

1、顯示(shi)(shi)(shi)器(qi)無(wu)(wu)顯示(shi)(shi)(shi)故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：顯示(shi)(shi)(shi)器(qi)質量窗全暗，但(dan)狀態燈亮。解決方式(shi)：首先檢查(cha)電(dian)源插頭是否(fou)插牢，保(bao)險絲是否(fou)熔斷，電(dian)纜連(lian)線(xian)(xian)有(you)(you)無(wu)(wu)斷線(xian)(xian)，檢查(cha)傳(chuan)感(gan)器(qi)輸入、輸出(chu)阻值是否(fou)符合(he)要求。若線(xian)(xian)盒(he)(he)信號(hao)線(xian)(xian)斷焊，用(yong)酒精擦洗，重(zhong)新(xin)焊接(jie)(jie)(jie)，系統恢復正(zheng)常。2、電(dian)子(zi)(zi)地(di)(di)磅稱重(zhong)儀(yi)表(biao)上(shang)稱重(zhong)數(shu)據故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：絕大數(shu)情況(kuang)下(xia)(xia)是電(dian)子(zi)(zi)地(di)(di)磅接(jie)(jie)(jie)線(xian)(xian)盒(he)(he)進水或有(you)(you)潮氣(qi)解決方式(shi)：把接(jie)(jie)(jie)線(xian)(xian)盒(he)(he)蓋(gai)子(zi)(zi)打開，用(yong)吹風(feng)機吹或在太(tai)陽下(xia)(xia)曬，直至曬干。3、電(dian)子(zi)(zi)地(di)(di)磅顯示(shi)(shi)(shi)數(shu)據與(yu)實際重(zhong)量偏輕故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：電(dian)子(zi)(zi)地(di)(di)磅秤(cheng)(cheng)體底下(xia)(xia)有(you)(you)異(yi)(yi)物或其(qi)中一個以上(shang)傳(chuan)感(gan)器(qi)損(sun)(sun)(sun)壞(huai)(huai)解決方式(shi)：檢查(cha)秤(cheng)(cheng)體下(xia)(xia)是否(fou)有(you)(you)異(yi)(yi)物，如果(guo)有(you)(you)清(qing)理掉，再(zai)查(cha)看是否(fou)正(zheng)常，如果(guo)還是不(bu)正(zheng)常，人(ren)到秤(cheng)(cheng)上(shang)的(de)每(mei)個角上(shang)站一下(xia)(xia)，如果(guo)其(qi)中有(you)(you)哪(na)個角的(de)數(shu)據輕很(hen)多則(ze)為這(zhe)個角的(de)傳(chuan)感(gan)器(qi)損(sun)(sun)(sun)壞(huai)(huai)，換掉即可恢復正(zheng)常。4、重(zhong)車下(xia)(xia)秤(cheng)(cheng)后，每(mei)次都留有(you)(you)較大份量的(de)底數(shu)，比如幾百K故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：電(dian)子(zi)(zi)地(di)(di)磅內(nei)部(bu)線(xian)(xian)路(lu)有(you)(you)破損(sun)(sun)(sun)解決方式(shi)：破損(sun)(sun)(sun)用(yong)防水膠(jiao)密封(feng)好。5、電(dian)子(zi)(zi)地(di)(di)磅儀(yi)表(biao)顯示(shi)(shi)(shi)不(bu)穩(wen)定，少則(ze)幾十kg，多則(ze)成百上(shang)千kg不(bu)停地(di)(di)變動故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：儀(yi)表(biao)模擬(ni)部(bu)分(fen)(fen)(fen)損(sun)(sun)(sun)壞(huai)(huai)，電(dian)源故(gu)(gu)障(zhang)，傳(chuan)感(gan)器(qi)、接(jie)(jie)(jie)線(xian)(xian)盒(he)(he)、電(dian)纜等(deng)(deng)有(you)(you)故(gu)(gu)障(zhang)引起的(de)信號(hao)變化，秤(cheng)(cheng)臺與(yu)基礎出(chu)現雜(za)物堵塞、限位螺(luo)栓與(yu)基礎無(wu)(wu)間(jian)隙等(deng)(deng).解決方式(shi)：用(yong)替(ti)換法找(zhao)出(chu)損(sun)(sun)(sun)壞(huai)(huai)的(de)部(bu)件6、電(dian)子(zi)(zi)地(di)(di)磅儀(yi)表(biao)接(jie)(jie)(jie)通電(dian)源后無(wu)(wu)任(ren)何顯示(shi)(shi)(shi)或顯示(shi)(shi)(shi)部(bu)分(fen)(fen)(fen)筆劃(hua)段，有(you)(you)的(de)還伴有(you)(you)蜂鳴(ming)器(qi)鳴(ming)叫故(gu)(gu)障(zhang)分(fen)(fen)(fen)析：外(wai)部(bu)220V電(dian)源及供電(dian)電(dian)路(lu)（線(xian)(xian)路(lu)、保(bao)險管、機內(nei)變壓(ya)器(qi)、三端穩(wen)壓(ya)電(dian)源）有(you)(you)故(gu)(gu)障(zhang). 解決方式(shi)：電(dian)子(zi)(zi)地(di)(di)磅儀(yi)表(biao)PCB板損(sun)(sun)(sun)壞(huai)(huai)或LED顯示(shi)(shi)(shi)管損(sun)(sun)(sun)壞(huai)(huai)或連(lian)線(xian)(xian)脫落。

孝義200T吊秤*黎城便攜式汽車衡

防(fang)爆(bao)電(dian)子臺(tai)秤(cheng)的(de)(de)(de)故障排除方法(fa)防(fang)爆(bao)電(dian)子臺(tai)秤(cheng)適(shi)用(yong)(yong)(yong)于化工廠(chang)、加(jia)油站(zhan)、加(jia)氣站(zhan)等(deng)有(you)防(fang)爆(bao)要(yao)求的(de)(de)(de)環境進(jin)行高(gao)價值大(da)宗(zong)貨物稱(cheng)量的(de)(de)(de)情況，在使用(yong)(yong)(yong)中(zhong)難免會(hui)出現故障，下面根(gen)據這(zhe)些故障的(de)(de)(de)原(yuan)因排查(cha)下：  *步(bu)(bu)、重(zhong)新標(biao)定(ding)(ding)  ①砝碼大(da)于1T，小于2T（1.5T標(biao)定(ding)(ding)）  ②叉車升高(gao)2cm左(zuo)右標(biao)定(ding)(ding)  ③放置位置在臺(tai)面正中(zhong)偏(pian)后(hou)(hou)（拉(la)手部分(fen)）  第(di)二步(bu)(bu)、稱(cheng)重(zhong)物時不(bu)能(neng)(neng)(neng)偏(pian)前，即(ji)不(bu)能(neng)(neng)(neng)超(chao)出前端兩只傳(chuan)(chuan)感器(qi)的(de)(de)(de)壓頭(tou)位置，如托(tuo)盤(pan)(pan)，托(tuo)盤(pan)(pan)不(bu)可(ke)(ke)超(chao)出叉齒  第(di)三步(bu)(bu)、如稱(cheng)重(zhong)還有(you)誤(wu)差：  方法(fa)①：將(jiang)叉車升至zui高(gao)，用(yong)(yong)(yong)紙片插進(jin)秤(cheng)與(yu)叉齒蓋(gai)的(de)(de)(de)四邊(bian)間隙處劃動(dong)一圈，看是否有(you)地(di)方靠，如有(you)靠的(de)(de)(de)問題(ti)可(ke)(ke)用(yong)(yong)(yong)適(shi)當工具(ju)翹離  方法(fa)②：抬(tai)高(gao)叉齒蓋(gai)，松開(kai)傳(chuan)(chuan)感器(qi)卡簧(huang)，用(yong)(yong)(yong)大(da)一字(zi)螺(luo)絲刀往上調節，再裝(zhuang)上卡簧(huang)即(ji)可(ke)(ke)。如果(guo)(guo)傳(chuan)(chuan)感器(qi)上無調節螺(luo)釘(ding)，可(ke)(ke)松開(kai)卡簧(huang)后(hou)(hou)再取(qu)下叉齒蓋(gai)，再將(jiang)蓋(gai)內的(de)(de)(de)4只螺(luo)釘(ding)下旋2-3圈即(ji)可(ke)(ke)。  方法(fa)③：檢查(cha)看卡簧(huang)是否碰(peng)(peng)拉(la)桿，如碰(peng)(peng)可(ke)(ke)直接取(qu)下卡簧(huang)，試秤(cheng)一次，如果(guo)(guo)有(you)用(yong)(yong)(yong)卡簧(huang)可(ke)(ke)取(qu)下不(bu)裝(zhuang)。  另(ling)外防(fang)爆(bao)電(dian)子臺(tai)秤(cheng)在工作中(zhong)準(zhun)備好的(de)(de)(de)傳(chuan)(chuan)感器(qi)、線(xian)路(lu)板(ban)、電(dian)源、鍵盤(pan)(pan)等(deng)部件，若懷(huai)疑傳(chuan)(chuan)感器(qi)、線(xian)路(lu)板(ban)、電(dian)源、鍵盤(pan)(pan)等(deng)某個部件損壞，用(yong)(yong)(yong)備好的(de)(de)(de)部件替(ti)代，然后(hou)(hou)觀察結果(guo)(guo)是否有(you)變化，如果(guo)(guo)顯示正常，則說明原(yuan)來的(de)(de)(de)元件有(you)問題(ti)。比較(jiao)、替(ti)代法(fa)能(neng)(neng)(neng)快速準(zhun)確地(di)判斷(duan)出故障點。

孝義200T吊秤*黎城便攜式汽車衡

常(chang)(chang)見異常(chang)(chang)情況及其(qi)處理。（1）稱重(zhong)時(shi)(shi)(shi)蜂鳴器(qi)持續發出(chu)報警聲，則(ze)表(biao)(biao)(biao)明(ming)稱重(zhong)值(zhi)已(yi)超過設定的(de)限重(zhong)值(zhi)，只(zhi)有(you)(you)(you)將(jiang)載荷(he)減小后(hou)才能(neng)恢復正常(chang)(chang)。（2）儀(yi)(yi)表(biao)(biao)(biao)開機(ji)(ji)后(hou)不(bu)(bu)(bu)(bu)顯(xian)示(shi)(shi)重(zhong)量值(zhi)而(er)顯(xian)示(shi)(shi)時(shi)(shi)(shi)間，則(ze)表(biao)(biao)(biao)明(ming)儀(yi)(yi)表(biao)(biao)(biao)沒有(you)(you)(you)接(jie)收到秤(cheng)(cheng)體(ti)發來的(de)數據。請(qing)(qing)檢查秤(cheng)(cheng)體(ti)A/D是否(fou)通電(dian)(dian)(dian)(dian)或(huo)電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)壓是否(fou)不(bu)(bu)(bu)(bu)足(zu)（6.0V以下表(biao)(biao)(biao)示(shi)(shi)電(dian)(dian)(dian)(dian)壓不(bu)(bu)(bu)(bu)足(zu)），若(ruo)(ruo)(ruo)在10米內(nei)無(wu)法(fa)接(jie)收到數據，還要檢查秤(cheng)(cheng)體(ti)天線是否(fou)接(jie)觸良好，若(ruo)(ruo)(ruo)有(you)(you)(you)損壞請(qing)(qing)更(geng)換(huan)備用(yong)(yong)天線。（3）儀(yi)(yi)表(biao)(biao)(biao)開機(ji)(ji)無(wu)顯(xian)示(shi)(shi)，液晶顯(xian)示(shi)(shi)屏(ping)有(you)(you)(you)閃亮(liang)，可能(neng)儀(yi)(yi)表(biao)(biao)(biao)電(dian)(dian)(dian)(dian)池損壞或(huo)電(dian)(dian)(dian)(dian)池不(bu)(bu)(bu)(bu)足(zu)，充(chong)電(dian)(dian)(dian)(dian)后(hou)仍然開不(bu)(bu)(bu)(bu)了機(ji)(ji)，請(qing)(qing)更(geng)換(huan)電(dian)(dian)(dian)(dian)池。（4）電(dian)(dian)(dian)(dian)子吊(diao)(diao)鉤秤(cheng)(cheng)若(ruo)(ruo)(ruo)儀(yi)(yi)表(biao)(biao)(biao)接(jie)收到信號，但不(bu)(bu)(bu)(bu)管加多大重(zhong)物儀(yi)(yi)表(biao)(biao)(biao)均顯(xian)示(shi)(shi)零(ling)時(shi)(shi)(shi)，按(an)照(zhao)13頁(ye)操作(zuo)，在要求輸入(ru)編號時(shi)(shi)(shi)輸入(ru)9999再(zai)按(an)背(bei)光確認(ren)鍵，用(yong)(yong)手去(qu)拉(la)秤(cheng)(cheng)體(ti)，看內(nei)碼是否(fou)變化(hua)，若(ruo)(ruo)(ruo)內(nei)碼不(bu)(bu)(bu)(bu)變化(hua)，則(ze)表(biao)(biao)(biao)明(ming)傳感(gan)器(qi)接(jie)觸不(bu)(bu)(bu)(bu)良，這時(shi)(shi)(shi)應檢查傳感(gan)器(qi)線的(de)連接(jie)。（5）電(dian)(dian)(dian)(dian)子吊(diao)(diao)鉤秤(cheng)(cheng)若(ruo)(ruo)(ruo)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)時(shi)(shi)(shi)只(zhi)聽見打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)聲不(bu)(bu)(bu)(bu)見出(chu)紙(zhi)，則(ze)可能(neng)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)紙(zhi)已(yi)用(yong)(yong)完(wan)，須裝(zhuang)紙(zhi)。打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)裝(zhuang)紙(zhi)可按(an)以下步(bu)(bu)驟操作(zuo)。*步(bu)(bu):關(guan)閉電(dian)(dian)(dian)(dian)源(yuan)，抽出(chu)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)蓋板(ban)。第二步(bu)(bu):將(jiang)紙(zhi)頭(tou)插入(ru)進(jin)紙(zhi)口，開電(dian)(dian)(dian)(dian)源(yuan)開關(guan)，然后(hou)按(an)走紙(zhi)，打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)自(zi)動進(jin)紙(zhi)。第三步(bu)(bu):合(he)上打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)蓋板(ban)。（6）電(dian)(dian)(dian)(dian)子吊(diao)(diao)鉤秤(cheng)(cheng)若(ruo)(ruo)(ruo)開機(ji)(ji)時(shi)(shi)(shi)出(chu)現儀(yi)(yi)表(biao)(biao)(biao)顯(xian)示(shi)(shi)屏(ping)顯(xian)示(shi)(shi)“ERR0R0”且按(an)下打(da)(da)(da)(da)(da)標題鍵打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)不(bu)(bu)(bu)(bu)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)標題時(shi)(shi)(shi)，表(biao)(biao)(biao)明(ming)該儀(yi)(yi)表(biao)(biao)(biao)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)己(ji)損壞，請(qing)(qing)更(geng)換(huan)打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)機(ji)(ji)。（7）打(da)(da)(da)(da)(da)印(yin)(yin)(yin)(yin)字跡(ji)模糊(hu)，請(qing)(qing)更(geng)換(huan)色帶。

岢嵐200T汽車衡*河曲2噸地磅

地(di)磅(bang)稱重(zhong)(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)故障(zhang)(zhang)(zhang)(zhang)案例(li)分(fen)析：  在(zai)(zai)接(jie)線(xian)盒(he)內(nei)用(yong)(yong)(yong)萬用(yong)(yong)(yong)表檢查(cha)正(zheng)(zheng)激(ji)(ji)勵(+EX)和負(fu)激(ji)(ji)勵(-EX)間(jian)電(dian)(dian)(dian)阻(zu)值(zhi)(zhi)（在(zai)(zai)接(jie)線(xian)盒(he)內(nei)通(tong)向儀表的(de)(de)(de)(de)(de)(de)(de)信號線(xian)柱(zhu)上(shang)測(ce)），其(qi)阻(zu)值(zhi)(zhi)大(da)約為(wei)400D/傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)數。用(yong)(yong)(yong)萬用(yong)(yong)(yong)表測(ce)量(liang)總輸(shu)(shu)出(chu)(chu)端(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)正(zheng)(zheng)輸(shu)(shu)出(chu)(chu)(+Si)和負(fu)輸(shu)(shu)出(chu)(chu)（-Si)之間(jian)電(dian)(dian)(dian)阻(zu)，其(qi)阻(zu)值(zhi)(zhi)大(da)約為(wei)2500Q/截(jie)(jie)(jie)(jie)面(mian)數（注)，如(ru)(ru)(ru)果發(fa)(fa)現(xian)阻(zu)值(zhi)(zhi)不對，按(an)下一步查(cha)找。  注：截(jie)(jie)(jie)(jie)面(mian)是垂直秤(cheng)臺(tai)縱向方(fang)向，每一對傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)面(mian)。即一個(ge)截(jie)(jie)(jie)(jie)面(mian)一般有(you)一對傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，如(ru)(ru)(ru)30t地(di)磅(bang)有(you)4個(ge)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，分(fen)在(zai)(zai)兩(liang)個(ge)截(jie)(jie)(jie)(jie)面(mian)上(shang)，截(jie)(jie)(jie)(jie)面(mian)數為(wei)2。  逐次斷開傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，用(yong)(yong)(yong)上(shang)述（1)的(de)(de)(de)(de)(de)(de)(de)方(fang)法，測(ce)量(liang)正(zheng)(zheng)負(fu)激(ji)(ji)勵端(duan)(duan)或正(zheng)(zheng)負(fu)輸(shu)(shu)出(chu)(chu)端(duan)(duan)間(jian)阻(zu)抗值(zhi)(zhi)，查(cha)出(chu)(chu)損壞(huai)了的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)。如(ru)(ru)(ru)果這(zhe)步檢查(cha)沒有(you)問題，則(ze)按(an)下步繼續查(cha)找。  將砝碼依(yi)次放(fang)在(zai)(zai)秤(cheng)臺(tai)各(ge)個(ge)截(jie)(jie)(jie)(jie)面(mian)上(shang)，如(ru)(ru)(ru)果發(fa)(fa)現(xian)那個(ge)截(jie)(jie)(jie)(jie)面(mian)的(de)(de)(de)(de)(de)(de)(de)示值(zhi)(zhi)不正(zheng)(zheng)確，則(ze)再將砝碼放(fang)在(zai)(zai)這(zhe)個(ge)截(jie)(jie)(jie)(jie)面(mian)的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)角(jiao)上(shang)（壓(ya)角(jiao)），查(cha)出(chu)(chu)壞(huai)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，在(zai)(zai)更(geng)換傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)。  或者脫開某傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)+Si、-Si端(duan)(duan)在(zai)(zai)不通(tong)電(dian)(dian)(dian)情況(kuang)下測(ce)電(dian)(dian)(dian)阻(zu)值(zhi)(zhi)，應在(zai)(zai)350Q左右(you)，在(zai)(zai)通(tong)電(dian)(dian)(dian)情況(kuang)下，測(ce)兩(liang)端(duan)(duan)的(de)(de)(de)(de)(de)(de)(de)直流電(dian)(dian)(dian)壓(ya)，設傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)容量(liang)為(wei)K，它實際(ji)收到的(de)(de)(de)(de)(de)(de)(de)力(li)為(wei)F，如(ru)(ru)(ru)果使用(yong)(yong)(yong)8142儀表，則(ze)電(dian)(dian)(dian)壓(ya)值(zhi)(zhi)應為(wei)：12.5X2F/K(mV)。案例(li)：故障(zhang)(zhang)(zhang)(zhang)現(xian)象：一臺(tai)50t電(dian)(dian)(dian)子地(di)磅(bang)其(qi)示值(zhi)(zhi)時正(zheng)(zheng)時負(fu)，稱重(zhong)(zhong) 誤差(cha)較(jiao)大(da)。故障(zhang)(zhang)(zhang)(zhang)分(fen)析：a、機(ji)械結構出(chu)(chu)現(xian)故障(zhang)(zhang)(zhang)(zhang)；b、傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)損壞(huai)。故障(zhang)(zhang)(zhang)(zhang)處理：用(yong)(yong)(yong)一輛3t鏟(chan)車壓(ya)四角(jiao)，發(fa)(fa)現(xian)其(qi)中(zhong)一角(jiao)誤差(cha)特 別大(da)。估計傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)發(fa)(fa)生故障(zhang)(zhang)(zhang)(zhang)。脫開接(jie)線(xian)盒(he)內(nei)各(ge)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)引線(xian)， 用(yong)(yong)(yong)萬用(yong)(yong)(yong)表測(ce)其(qi)輸(shu)(shu)入輸(shu)(shu)出(chu)(chu)電(dian)(dian)(dian)阻(zu)差(cha)值(zhi)(zhi)不太大(da)。重(zhong)(zhong)點測(ce)量(liang)差(cha)值(zhi)(zhi)較(jiao)大(da) 的(de)(de)(de)(de)(de)(de)(de)那一個(ge)角(jiao)的(de)(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，發(fa)(fa)現(xian)輸(shu)(shu)入電(dian)(dian)(dian)阻(zu)變化較(jiao)大(da)（正(zheng)(zheng)常值(zhi)(zhi)為(wei)382 Q±4Q)，更(geng)換該只傳(chuan)(chuan)(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，故障(zhang)(zhang)(zhang)(zhang)即排(pai)除。