Garage Door Blinking And Not Closing

Garage door issues can be frustrating, especially when they prevent you from accessing your garage or securing your home. One common problem is a blinking garage door that won't close. This issue can be caused by several factors, including power problems, sensor misalignment, or mechanical problems.

Power Problems

One of the most common reasons for a garage door to blink and not close is a power issue. Check if the garage door opener is receiving power by ensuring that it's plugged in and that the circuit breaker or fuse hasn't tripped. If the opener is plugged in and receiving power, the issue may lie with the power supply to the door itself. Inspect the wiring for any loose connections or damage.

Sensor Misalignment

Garage doors have sensors that detect when an object is in the way to prevent it from closing on top of your car or a person. If these sensors become misaligned, the door may not close properly. Check the sensors' alignment by ensuring they are facing each other directly and that there are no obstructions between them.

Mechanical Problems

Mechanical problems with the garage door system can also cause it to blink and not close. This could include issues with the springs, cables, or rollers. If you suspect a mechanical problem, it's best to contact a qualified garage door technician for assistance.

Other Causes

In some cases, a blinking garage door that won't close may be caused by other factors, such as:

A faulty remote control
A damaged circuit board
A malfunctioning motor

Troubleshooting Steps

Before contacting a technician, there are a few troubleshooting steps you can take:

Reset the garage door opener: Locate the reset button on the opener and press it for a few seconds, then release it and try operating the door again.
Check the batteries in the remote control: If the remote control is not working, replace the batteries.
Manually open and close the door: Disconnect the garage door opener from the power supply and manually open and close the door several times to reset the sensors.

If these steps do not resolve the issue, it's recommended to contact a qualified garage door technician for further diagnosis and repair.