Fire resistant rolling shutter doors cannot rise or fall. Shenyang roller shutter door manufacturer takes you to learn more!

原因：可能为电源故障、电机故障或门本身卡住。

Reason: It may be a power failure, motor failure, or the door itself getting 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 supply, control power supply, and motor, and check the door itself.

防火卷帘门有上升无下降或有下降无上升。

The fire resistant rolling shutter door has either raised or lowered without raising.

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: issues with the down or up button, contactor contacts and coils, limit switches, and contactor interlocking normally closed contacts.

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 down or up contactor contact switch and coil, check the limit switch, and check the normally closed contact of the down or up contactor interlock.

长期不启闭的卷帘半年保养一次，内容为尘圾，涂刷油漆，对传动部份的链轮滚子链加润滑油生平等。

The rolling shutter that has not been opened or closed for a long time should be maintained every six months, including eliminating dust, applying paint, and lubricating the sprocket and roller chains of the transmission part.

检查电器线路和电器设备是否损坏，运转是否正常，能否符合各项指令，如有损坏和不符要求时应立即检修。

Check whether the electrical circuit and equipment are damaged, whether they operate normally, and whether they comply with various instructions. If there is any damage or non-compliance, they should be repaired immediately.

防火卷帘门是消防专用设施，只有在发生火灾时才能使用，平时不得将其改作他用。

Fireproof rolling shutter doors are specialized fire-fighting facilities that can only be used in the event of a fire, and should not be used for other purposes in normal times.

在启闭防火卷帘门前，需要先检查防火卷帘门运行范围内有无阻碍门体运行的障碍物，若有障碍物的，先将障碍物清走后才能开始启动。

Before opening and closing the fireproof rolling shutter door, it is necessary to check if there are any obstacles within the operating range of the fireproof rolling shutter door that hinder the operation of the door body. If there are obstacles, remove them first before starting.

车库门主要有遥控、感应、电动、手动几种。其中遥控、感应、电动都可统称为自动车库门，手动车库门和自动车库门主要区别是没有电机。

Garage doors mainly include remote control, induction, electric, and manual. Remote control, induction, and electric can all be collectively referred to as automatic garage doors, while the main difference between manual and automatic garage doors is the absence of a motor.

本文来自：济南卷帘门厂更多的内容请点击：http://www.jnhsjlm.com我们将会为您提问的问题提供一个满意的服务，欢迎您的来电！

This article comes from Jinan Rolling Curtain Door Factory. For more information, please click on: http://www.jnhsjlm.com We will provide a satisfactory service for the questions you ask. Welcome to call us!