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故障：焊接電流小調(diào)不大

Failure: small welding current minor

 

開機正常LED燈亮 24V輔電正常 直流300V正常 焊接的時候電流比較小調(diào)不大 板子上的兩個LED燈亮，

Open the normal LED light 24V auxiliary power normal DC 300V normal welding, the minimum current of the minimum current is not the two LED lights on the board.

 

更換3140無果，測量電位器兩邊電壓正常七八V左右，后經(jīng)測量電位器中間腳通往小立板的電阻阻值變大造成信號傳遞不上去

The replacement is 3140 without fruit. The voltage on both sides of the potentiometer is normal about seven or eight V. After measuring the resistance of the potentiometer, the intermediate foot to the small vertical plate increases, resulting in the signal transmission is not up.

 

故障：焊接電流小調(diào)不大

Failure: small welding current minor

 

開機測量空載正常電流調(diào)不大測量主電五百多V正常，空載八十V正常，數(shù)顯表大小顯示正常，測量Z24對地電壓有20多V輸出有，正常應(yīng)該有14V 正常。一組一組機芯測試電流也上不來，經(jīng)檢查電流電位器通到小立板的可調(diào)電阻太大，更換小 正常解決。

No load or normal current is measured. The main electrical more than 500 V is normal, and the normal load is eighty V. The size of the digital display is normal. The Z24 has more than 20 V output to the earth voltage, and normal 14V should be normal. The test current of a group of one group is also not coming up. The adjustable resistance of the current potentiometer to the small plate is too large to be replaced by a small normal solution.

 

 

 

故障：風(fēng)機聲音大，電流不穩(wěn)定

Fault: the fan is loud and the current is unstable

 

開機后風(fēng)扇聲音很大 焊接電流不穩(wěn)定 檢查后發(fā)現(xiàn)風(fēng)機 一個葉片缺失 更換新風(fēng)機后聲音 正常 快速接頭已經(jīng)損壞 更換后焊接電流穩(wěn)定 。很多廠家直接把分流器固定在快插上很容易造成分流器發(fā)熱，損壞分流器燒壞分流器上面的檢測線，這個是需要注意的，線子燒壞后也會造成電流不受控

After starting the fan, the voice is very large, and the welding current is unstable. After checking, it is found that a fan blade is missing. After replacing the fresh air blower, the sound is normal, the fast connector has been damaged, and the welding current is stable after replacement. Many manufacturers directly fix the shunt to fast plug. It is very easy to cause the shunt heating, damage the shunt and burn out the detection line on the top of the distributor. This is something we need to pay attention to. This will cause the maximum current uncontrolled after the burn out.