
西門(men)子(zi)6RA80直流(liu)調(tiao)速(su)裝置(zhi)無(wu)顯示(shi)維(wei)修排(pai)查
使(shi)用(yong)萬用(yong)表測量電源(yuan)輸(shu)入端子(zi)(L1/L2/L3)電壓(ya),確(que)認(ren)是(shi)否在允(yun)許(xu)範圍(380V±10%,或(huo)額定電壓(ya)±5%)
若(ruo)電壓(ya)異(yi)常(chang),檢查配電線(xian)路(lu)接(jie)觸(chu)點是(shi)否氧(yang)化或(huo)松動(dong)(阻值>5Ω需(xu)清潔(jie)或(huo)更(geng)換端(duan)子(zi))
電源(yuan)板保(bao)險(xian)是(shi)否正常(chang),電源(yuan)板故障檢測有(you)無(wu)電壓(ya)輸(shu)出,主(zhu)板壞(huai)導(dao)致無(wu)顯示(shi)問(wen)題。C98043-A7105
內(nei)部電源(yuan)模(mo)塊(kuai)檢測
降壓電阻測試:斷(duan)電後(hou)測量降壓電阻阻值(正常(chang)值參(can)考(kao)電路(lu)圖(tu)),開(kai)路(lu)或(huo)阻值偏差(cha)需(xu)更(geng)換
保(bao)險(xian)絲(si)狀(zhuang)態(tai):檢查電源(yuan)模(mo)塊(kuai)保(bao)險(xian)絲(si)通(tong)斷(duan),熔斷(duan)需更(geng)換同規(gui)格元(yuan)件(jian)並(bing)排(pai)查短(duan)路(lu)原(yuan)因
電容(rong)與(yu)MOS管(guan):觀(guan)察電解電容(rong)是(shi)否鼓(gu)包,測試MOS管(guan)、二極管(guan)是(shi)否擊穿(使(shi)用(yong)萬用(yong)表二極管(guan)檔(dang))
🖥️ 二、主(zhu)控板與(yu)顯示(shi)模(mo)塊(kuai)診(zhen)斷(duan)
I/O板指(zhi)示(shi)燈檢查
通電後(hou)觀(guan)察I/O板LED狀態(tai):
無(wu)任(ren)何(he)指(zhi)示(shi)燈亮:電源(yuan)模(mo)塊(kuai)或(huo)主(zhu)板供電故障
指(zhi)示(shi)燈亮但(dan)屏(ping)幕(mu)無(wu)顯示(shi):面(mian)板、轉接(jie)板或(huo)排(pai)線故障
面(mian)板連(lian)接(jie)與(yu)芯(xin)片(pian)檢測
重新插拔(ba)面板排(pai)線,清除接(jie)口(kou)氧化(hua)物(wu)
若(ruo)曾帶(dai)電拔(ba)插面(mian)板,檢查主(zhu)控板芯(xin)片(pian)(如(ru)MCU)是(shi)否燒毀,更(geng)換損(sun)壞(huai)芯(xin)片(pian)
無(wu)任(ren)何(he)圖(tu)像→液晶(jing)屏(ping)或(huo)主(zhu)板信號(hao)輸(shu)出故障
西(xi)門子(zi)6RA80報(bao)警(jing)F60091故障,直流(liu)調(tiao)速(su)裝置(zhi)故障F60092代(dai)碼故障咨(zi)詢(xun),6RA80上電顯示(shi)F60062,報(bao)F60167故障,F60068故障,F60031,F60095,F60066,6RA80主(zhu)板RDY紅(hong)燈亮,DP1紅(hong)燈閃爍(shuo)維修,屏(ping)幕(mu)有(you)背光(guang)無(wu)顯示(shi)維(wei)修,6RA80報(bao)故障F60092電壓(ya)檢測報(bao)警(jing),西門(men)子(zi)6RA80變頻(pin)器(qi)報(bao)F60105勵(li)磁故障維(wei)修,西門子(zi)6RA80紅(hong)燈亮維(wei)修,西門子(zi)6RA80停(ting)機(ji)報(bao)警(jing),西門(men)子(zi)6RA80電源(yuan)板維修,6RA80主(zhu)板維修,6RA80勵(li)磁板維修,6RA80可控(kong)矽銷(xiao)售(shou)