IC693MDL734CA

IC693MDL734CA

(1)將變頻器重新斷電一次，再合閘。

(2)接通變頻器復(fù)位信號(hào)端子以上維持res信號(hào)為on時(shí)，顯示“eit”，通知正處于復(fù)位狀態(tài)。

(3)使用操作面板的【stop/reset】鍵進(jìn)行復(fù)位。

以上這幾種方法適用于不同的情況

二、變頻器跳閘的原因是什么?

變頻器跳閘的原因一般是過流、過熱、缺相、電機(jī)短路、過壓、欠壓等。要確定具體是什么原因需要結(jié)合著看變頻器面板顯示的報(bào)警碼，根據(jù)說明書可以確定大概的故障。

變頻器過載的原因首先是機(jī)械負(fù)荷過重導(dǎo)致過載，機(jī)械負(fù)荷過重的主要特征是電動(dòng)機(jī)發(fā)熱，于此同時(shí)并可從顯示屏上讀取運(yùn)行電流來發(fā)現(xiàn)。如果三相電壓不平衡，就會(huì)引起某相的運(yùn)行電流過大，終導(dǎo)致導(dǎo)致過載跳閘，特點(diǎn)是電動(dòng)機(jī)發(fā)熱不均衡。

變頻器過載跳閘的原因還有可能是誤動(dòng)作導(dǎo)致，有可能是變頻器內(nèi)部的電流檢測(cè)部分發(fā)生故障，檢測(cè)出的電流信號(hào)偏大，終導(dǎo)致過載跳閘。

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