IC693MDL940CA/IC693MDL940

IC693MDL940CA/IC693MDL940

IC693MDL940CA/IC693MDL940

當(dāng)變頻器上一直顯示代碼P.OFF而不跳轉(zhuǎn)為0，那么主要因?yàn)橛休斎腚妷哼^低、輸入電源缺相及變頻器電壓檢測(cè)電路故障。

　　處理方法：先測(cè)量電源三相輸入電壓，R、S、T端子正常電壓為三相380V，如果電壓低于320V或輸入電源缺相，則排除外部電源故障。如果輸入電源正?？膳袛嗍亲冾l器內(nèi)部電壓檢測(cè)變壓器故障或缺相保護(hù)故障。

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