Garage Door Opens Uneexpectedly

The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.

Garage door opens uneexpectedly.

Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency. Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing. The first is photoelectric and the second is mechanical. If you clear all debris and any buildup from the sensors near the floor of your garage door tracks but the motion of your garage door tends to be partially closing and then reversing and opening again you may have a misaligned sensor.

The button can easily get dirty and stuck in the pushed position. Here are a few scenarios we ve come across. To troubleshoot the garage door opener button make sure it s clean and free of debris. Yes it s possible although rare for your garage door to open by itself.

Garage doors use radio frequencies to open and close. Besides a short in the circuit board any number of mechanisms that are involved in making the door open and close could be the cause of the garage door opener s ghost movement. There may also be loose wire connections inside the button housing itself. This will cause the door to open and close until the button becomes unstuck.

As these wires short against the housing the electrical impulse causes the door opener to activate. Your garage door most likely uses two sensors to trigger its reverse mechanism. There are a few unusual factors that can cause your door open by itself.