一般来说，车库门关不了的原因有以下几种：

Generally speaking, there are several reasons why a garage door cannot be closed:

1、门轨道故障：门轨道不平整，或者有杂物阻挡导致门无法完全关闭。

1. Door track failure: The door track is uneven or obstructed by debris, which prevents the door from fully closing.

2、门板接触点故障：门板上的接触点可能已经磨损或损坏，导致门无法正常关闭。

2. Door panel contact point failure: The contact points on the door panel may have been worn or damaged, causing the door to fail to close properly.

3、门板五金配件故障：比如是门板上的合页或者其他配件已经磨损或损坏，导致门无法正常关闭。

3. Door panel hardware accessories malfunction: For example, the hinge or other accessories on the door panel have been worn or damaged, causing the door to fail to close normally.

4、电机故障：车库门电机可能出现故障，比如是行程故障、红外保护功能故障等，导致门无法正常关闭。如果您遇到了这些情况，建议联系的维修人员进行检查和维修。

4. Motor failure: The garage door motor may malfunction, such as travel failure, infrared protection function failure, etc., causing the door to not close properly. If you encounter these situations, it is recommended to contact professional maintenance personnel for inspection and repair.

如果济南车库门在关闭过程中距离地面还有一定的距离就会自动反弹，原因可能是：

If the Jinan garage door is still a certain distance from the ground during the closing process, it will automatically rebound, possibly due to:

1、扭簧系统故障：扭簧力度不够，也叫做扭簧乏力，导致门无法关闭或自动反弹，这时在电机上调节行程也会失败。

1. Torsion spring system malfunction: Insufficient force of the torsion spring, also known as lack of force of the torsion spring, causing the door to fail to close or automatically rebound. At this time, adjusting the stroke on the motor will also fail.

2、限位器设置不当：限位器设置不当可能导致车库门无法关闭或自动反弹。

2. Improper setting of the limiter: Improper setting of the limiter may cause the garage door to fail to close or automatically rebound.

3、红外线传感器故障：传感器可能出现故障，主要是障碍物遮挡或灰尘掩盖、感应器错位等，导致车库门无法正常关闭或自动反弹。

3. Infrared sensor failure: The sensor may have malfunctioned, mainly due to obstacles blocking or dust covering, sensor misalignment, etc., resulting in the garage door not being able to close normally or automatically rebound.

车库门关不到底，来不及等到工作人员上门，自行检修解决方法如下：

The garage door cannot be fully closed and there is no time to wait for the staff to come. The solution for self maintenance is as follows:

1、清理门底的障碍物，以及清洁红外保护传感器。

1. Clean the obstacles at the bottom of the door and clean the infrared protection sensor.

2、检查门体弹簧是否失去了弹力，如果需要更换弹簧，应该找人员来更换。

2. Check if the door spring has lost its elasticity. If the spring needs to be replaced, professional personnel should be sought to replace it.

3、检查车库门的电机或链条盒是否正常，如果是电机空转门不动，则可能是链条盒里的离合器松开了，只需要反向合上即可，如果出现其他故障需要维修或更换。门体的轨道是否损坏，如果需要修复轨道，应该找人员进行维修。更多相关事项就来我们网站http://www.xlmygs.com咨询！

3. Check if the motor or chain box of the garage door is working properly. If the motor is idle and the door does not move, it may be due to the clutch inside the chain box being released. Just reverse the closing process. If other faults occur, repair or replace them. Is the track of the door damaged? If it needs to be repaired, professional personnel should be sought for repair. For more related matters, come to our website http://www.xlmygs.com consulting service