Nowadays, almost all production enterprises or workshops are equipped with roller shutter doors, which have good fire and theft prevention functions and high safety performance. However, everything will be damaged one day. So, how should the roller shutter door be repaired if it is damaged? The following is Jinan fire shutter door installation and maintenance manufacturer's complete knowledge of shutter door maintenance.
（1） Manual rolling shutter door
Despite the continuous development of science and technology, manual roller shutter doors still have a certain market due to time problems. The maintenance methods of manual roller shutter doors include: when the spring of roller shutter door breaks or the spring connecting belt breaks, the spring sling can be replaced during maintenance.
A common problem with manual roller shutter doors is that the door lock can't be opened or the key can't be inserted. The door lock can be replaced. If the roller shutter door can be rolled up normally, it is not necessary to consider whether the spring of the roller shutter door is damaged or not in the maintenance of the roller shutter door. This situation is generally caused by the curtain clip on the roller shutter door seizing the guide slot or the deformation of the curtain. It can be repaired at the notch of the roller shutter door entering the guide slot.
（2） Fire shutter door
During the maintenance of the fire shutter door, pay attention to check its power supply and fire control box, and reset or replace it in case of damage. When the fire shutter door cannot be closed tightly or opened completely, you can readjust the travel switch position of the shutter door and then check whether the door body is normal.
Check the travel switch and the wiring of the travel switch by running the fire shutter door in one direction. If the motor of the fire shutter operates normally, but the door body does not operate, the main problem should be the tripping and jamming of the shutter. During the maintenance of the shutter door, the hardware can be strengthened and the position of the shutter can be adjusted. If the shutter door is not closed tightly, it will automatically close or open in reverse, and its load can be increased during the maintenance of the shutter door.
（3） Electronic roller shutter door
The maintenance of the electronic roller shutter door is relatively complex. The circuit control system in the roller shutter door includes: the operation key box, the remote controller, the control motherboard with CPU as the core, and the detection control circuit composed of sensors. The electronic roller shutter door has strong professionalism and technology, which makes it difficult for us ordinary people to maintain it.
When repairing the electronic roller shutter door, we must find some professional maintenance personnel to adjust it. During the maintenance of the electronic roller shutter door, it is necessary to understand the model, damage reason and failure phenomenon of the roller shutter door, and carry out effective maintenance according to the actual situation, so as to determine the next inspection method and treatment measures more accurately.
（4） Fast rolling shutter door
First of all, Xiaobian will explain the maintenance method of the fast rolling shutter door. The fast rolling shutter door refers to the rolling shutter door with a running speed of more than 0.6 meters per second. It is a fast lifting barrier free isolation door. Its main feature is that it plays a fast isolation role, so as to ensure the dust-free air quality in the workshop.
In the maintenance of the fast shutter door, first connect the two buttons that control the forward, reverse and stop respectively in series, connect the two buttons that control the forward, reverse and start together, and connect one end of the stop button with the other end of the stop and stop button with the power supply, respectively rotate the fast shutter door forward and reverse, and the normally open auxiliary contacts of the contactor are connected in parallel at both ends of the corresponding start button of the fast shutter door.
Some are specialized maintenance companies, which we can find in the market. If there are few roller shutter door maintenance companies in our city, we should negotiate with the merchants about the maintenance of roller shutter doors, sign a warranty agreement, ask for a contact number, and contact them in the future. For more information about roller shutter door maintenance, please come to our website http://www.jnyuqilin.com Consult and understand!