Many factories will use rolling shutter doors, because this kind of industrial door has the function of quick opening and closing. But this kind of rolling shutter door is generally for people or vehicles in and out of the place, so the opening and closing is very frequent. As a result, there will be some problems in long-term use, such as control system failure. What is the failure of rolling shutter control system?

     Generally speaking, long-term use of rolling shutter doors, the main causes of control system failure may be as follows.

1. The contact point of the relay is stuck. At this time, we need to replace the relay.

2. The travel of the rolling shutter door is inching, the switch is invalid or deformed. If so, it is necessary to replace the micro switch or contact.

3. This kind of situation that the screw is close to the shutter plate to make it easy to be replaced by the screw plate.

4. The slider screw or nut cannot move with the screw rod rolling, which requires lubrication or other solutions.

5. If the transmission gear of the limiter is damaged, replace the transmission gear of the limiter.

6. Rolling shutter door open and close the up and down key is stuck, this and more simple, is the button broken, directly replace the button.