The motor of the electric rolling shutter door does not move or rotates slowly. Reasons: there may be an open circuit, the motor is burned out, and the stop button is not reset in time.

處理方法：檢查電路并連接；更換燒壞的電機；裝回按鈕或重復按幾次；將限位開關滑塊移離微動開關觸點，并調節微動開關的位置；檢查機械零件如果有卡紙，請卡紙并障礙物。

Treatment method: check the circuit and connect it; Replace the burnt out motor; Replace the button or press it several times; Move the limit switch slider away from the microswitch contact and adjust the position of the microswitch; Check mechanical parts. If there is a paper jam, remove the paper jam and remove obstacles.

電動卷簾門控制失敗故障的位置和原因：繼電器（接觸器）的觸點被卡住，行程微動開關無效或接觸件變形，滑塊的固定螺釘松動，而后面板螺釘松動，從而引起后退 待移動的板，使得滑塊或螺母無法移動。隨著螺桿的旋轉，擋塊的齒輪斷裂，并且向上和向下的按鈕被卡住。。

Position and cause of control failure of electric rolling shutter door: the contact of relay (contactor) is stuck, the travel microswitch is invalid or the contact is deformed, the fixed screw of sliding block is loose, and the screw of rear panel is loose, resulting in retreating the plate to be moved, making the sliding block or nut unable to move. With the rotation of the screw, the gear of the stop breaks and the up and down buttons are stuck..

處理方法：更換繼電器（接觸器）；更換微動開關或接觸片，擰緊滑動螺釘并重置墊板：更換限位器變速箱；更換按鈕。

Treatment method: replace the relay (contactor); Replace the microswitch or contact piece, tighten the sliding screw and reset the backing plate: replace the limiter gearbox; Replace the button.

電動卷簾門手拉鏈不動失敗原因：環形鏈條阻塞了十字槽；棘爪沒有脫離棘輪；壓力鏈卡住了。

Reasons for failure of hand zipper of electric rolling shutter door: the ring chain blocks the cross groove; The pawl does not disengage from the ratchet wheel; The pressure chain is stuck.

處理方法：拉直環鏈；調整棘爪和壓力鏈架的相對位置；更換或潤滑銷釘。

Treatment method: straighten the ring chain; Adjust the relative position of the pawl and the pressure chain frame; Replace or lubricate the pins.

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