防火卷簾門不能縮回是什么原因
問題：防火卷簾門不能上升下降
Problem: the fireproof rolling shutter door cannot rise or fall
原因：可能為電源故障、電機故障或門本身卡住。
Cause: it may be power failure, motor failure or the door itself is stuck.
處理辦法：檢查主電、控制電源及電機，檢查門本身。
Solution: check the main power, control power supply and motor, and check the door itself.
問題：防火卷簾門有上升無下降或有下降無上升
Question: does the fire shutter door rise or fall or rise
原因：下降或上升按鈕問題，接觸器觸頭及線圈問題，限位開關問題，接觸器聯(lián)鎖常閉觸點問題。
Causes: falling or rising button problem, contactor contact and coil problem, limit switch problem, contactor interlocking normally closed contact problem.
處理辦法：檢查下降或上升按鈕，下降或上升接觸器觸頭開關及線圈，查限位開關，查下降或上升接觸器聯(lián)鎖常閉接點。
Solution: check the down or up button, the contact switch and coil of the down or up contactor, the limit switch, and the interlocking normally closed contact of the down or up contactor.
問題：在控制中心無法聯(lián)動防火卷簾門
Problem: the fire shutter door cannot be linked in the control center
原因：控制中心控制裝置本身故障，控制模塊故障，聯(lián)動傳輸線路故障。
Cause: the control device of the control center is faulty, the control module is faulty, and the linkage transmission line is faulty.
處理辦法：檢查控制中心控制裝置本身，檢查控制模塊，檢查傳輸線路。
Solution: check the control device of the control center, the control module and the transmission line.
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