The door reverses unintentionally.
Xtreme garage door opener stopped and started flashing.
If the opener is in the wrong mode it will begin to flash the lights when you try to open or shut the door.
If the opener cannot detect that the safety sensors are properly working or connected then the opener lights will flash and the door will refuse to close.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
The opener does not close the door and the indicator on one of the photo eyes flashes.
The door reverses upon touching the floor and the courtesy light flashes.
Problems with sensors your garage or overhead door has a safety sensor system attached to it.
Make sure the photo eye safety system is aligned and clear of obstructions.
Wrong mode garage door openers have different modes besides just normal operations.
The purpose of the safety sensors located on the bottom corners of your garage door is to automatically reverse your door if they detect motion underneath the door.
The first thing you ll want to do when your garage door light is blinking is to check to see if the lock button sometimes referred to as the vacation button is turned on and if it is turn it off.
Check the lock button.