Faults and root causes of Automatic door maintenance

Automatic door are generally installed in key channels, with large labor force, high power switching frequency, and high toughness. Under such circumstances, it is inevitable to find abnormalities. How to solve such situations? This is for customers, maintenance personnel, and overhaul personnel to grasp the maintenance knowledge of Automatic door. Let´s share the basic information together.

The first thing the customer needs to do is to immediately disconnect the switching power supply of the Automatic door to prevent the secondary risk situation caused by the failure of the Automatic door; In order to ensure the shutdown of automatic machines and equipment and the environmental management near the Automatic door, the cause of the failure shall be analyzed.

Below are some common fault conditions and root causes of automatic sensing doors:

1. Failure of Automatic door maintenance: the automatic induction door (electric glass door) is continuously opened and closed during the whole process of operation;

Root cause:

(1) The LED light on the induction switch flashes frequently. If it flashes frequently, it means that the Automatic door induction switch has failed;

(2) The surrounding condition of Automatic door is that the chemical block is constantly moving and endangers the normal operation of the Automatic door induction switch;

(3) Foreign objects on both sides of the door block its movement.

2. Failure of Automatic door maintenance: the door body shakes or shakes significantly during the whole operation of the automatic induction door (electric glass door);

Root cause:

(1) There is a foreign object stuck at the bottom of the moving door leaf directly below the door body, or the swing stop device directly below the door body is loose;

(2) The moving pulley of the door leaf bracket is loose, or whether there is any foreign matter on the surface of the moving part of the lifting pulley on the sliding rail of the Automatic door.

3. Failure of Automatic door maintenance: when the automatic sensing door (electric glass door) is opened or closed, there is a significant flutter;

Root cause:

(1) Whether the upper and lower slides of the Automatic door are blocked by foreign matters;

(2) The wheels on the bracket are severely damaged or foreign objects are inserted;

(3) There is a problem with the flatness of the slide rail.