Garage door sensor locations.
Garage door not closing light flashing.
If motor unit does not activate disconnect door control wires from motor unit.
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.
Once you see the double flash press the control button on the remote control.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
Simply hold down the lock button on the wall control for about two seconds to disengage the lock.
If your garage door sending sensor is showing a yellow light and the other does not show a green light it is likely they are misaligned.
First check the sensor lights.
Led is not lit on door control.
The back of the motor has a circuit board with a service light as well.
Once you push this button the light on the garage door opener will flash twice.
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.
Only the button on the wall control or manual keypad inputs will open it.
To unlock your garage door opener push the lock button for 5 seconds.
This is of course a safety feature to prevent the heavy garage door crushing anyone or anything that might be in the pathway of the door when it comes down.
You may want to check the back of the motor unit.
3 light flashes problem.
If the light flashing persists then the problem may be wire related.
This is a common garage door safety feature that prevents injury and damage to personal belongings.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Disconnect wires at door control touch wires together.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
Lights on garage door opener flash and door will not close garage door light flashing but won t close when you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors.
Inspect door control wires for a short staple in wire replace as needed.
If your garage door opener is still blinking try realigning the safety reversing sensors.
If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.
The remote control will not work.
Depending on the brand.
If motor unit activates replace door control.
