Click on a problem below to see the possible causes and solutions.
Troubleshooting garage door not closing.
Try replacing the batteries in the remote and trying again.
Garage door won t close all the way.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
If that isn t the problem then try opening and closing the door with the wall switch.
Eliminate any item in between the sensors.
This will move the horizontal bars away from the edges and secure the handle in the open position.
There are of course many other problems that can keep your garage door from functioning properly.
The transmitters remotes will not work to close the garage door.
In the case that the door responds to the switch then there s a good chance it s the remote that has an issue.
The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors.
We create the 4 most common problems as well as show you the.
The good news is this can be easily adjusted with a screwdriver and a few.
Most likely this will resolve the situation.
When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close.
If you garage door is lowering then reversing.
When the settings are too high the door senses the floor as an obstruction and immediately opens again after closing.
The liftmaster garage door opener lights will flash for ten times.
Check if something is blocking the way of the safety sensor.
Garage door reversing before closing garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.
To troubleshoot your liftmaster safety sensors.
When you re too far away then the door may not respond.
If the garage door opens correctly but fails to close completely there may be one of three common causes.
The close limit switch may need adjusting.
If you discover this problem the sensor path is the first thing you should check as any objects blocking the path will prevent the door from closing.
To manually unlock your garage door simply turn the handle until you hear a clicking sound.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
You will find that the door will only move an inch or so in the close direction and reverse.
Garage doors have tension springs and cables that help to slowly and safely lower your door while closing.