Linear Garage Door Opener Troubleshooting 4 Flashes

If your Linear garage door opener is flashing 4 times, it indicates that the safety sensors are misaligned or obstructed. These sensors are crucial for preventing the door from closing on people or objects, so it's essential to address this issue promptly.

Here are some troubleshooting steps you can take:

Check for obstructions:
Ensure that there are no objects blocking the path of the safety sensors, such as leaves, sticks, or toys. Clear away any obstructions and try operating the door again.
Inspect the sensors:
Examine the safety sensors for any signs of damage or misalignment. They should be facing each other and aligned horizontally. If one or both sensors are misaligned, adjust them slightly until they are in the correct position.
Clean the sensors:
Over time, dirt and debris can accumulate on the safety sensors, interfering with their operation. Use a soft cloth or brush to gently clean the sensors and remove any dirt or debris.
Check the wiring:
Verify that the wiring connections between the safety sensors and the garage door opener are secure. Loose or damaged wires can disrupt communication and prevent the sensors from functioning properly.
Reset the sensors:
If the above steps do not resolve the issue, try resetting the safety sensors. To do this, disconnect the power to the garage door opener, wait a few seconds, and then reconnect the power. This should reset the sensors and restore their functionality.
Contact a professional:
If you have followed all of the troubleshooting steps and the 4 flashes persist, it's advisable to contact a qualified garage door technician. They can diagnose and repair any underlying issues that may be causing the problem.

By following these troubleshooting steps, you can resolve the 4-flash issue with your Linear garage door opener and ensure the safety and proper operation of your garage door.