防火卷帘门不能缩回是什么原因
问题:防火卷帘门不能上升下降
Problem: the fireproof rolling shutter door cannot rise or fall
原因:可能为电源故障、电机故障或门本身卡住。
Cause: it may be power failure, motor failure or the door itself is stuck.
处理办法:检查主电、控制电源及电机,检查门本身。
Solution: check the main power, control power supply and motor, and check the door itself.
问题:防火卷帘门有上升无下降或有下降无上升
Question: does the fire shutter door rise or fall or rise
原因:下降或上升按钮问题,接触器触头及线圈问题,限位开关问题,接触器联锁常闭触点问题。
Causes: falling or rising button problem, contactor contact and coil problem, limit switch problem, contactor interlocking normally closed contact problem.
处理办法:检查下降或上升按钮,下降或上升接触器触头开关及线圈,查限位开关,查下降或上升接触器联锁常闭接点。
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.
问题:在控制中心无法联动防火卷帘门
Problem: the fire shutter door cannot be linked in the control center
原因:控制中心控制装置本身故障,控制模块故障,联动传输线路故障。
Cause: the control device of the control center is faulty, the control module is faulty, and the linkage transmission line is faulty.
处理办法:检查控制中心控制装置本身,检查控制模块,检查传输线路。
Solution: check the control device of the control center, the control module and the transmission line.