Locate the limit switch adjustment either on the back of the opener or behind the light bulb s lens cover.
My garage door stops short.
The keypad doesn t work firstly check that you re using it within the range required for your opener.
Inspect the control wiring an exposed spot or a short circuit in the small gauge wire that leads from the garage door opener s motor unit to the control button on the wall may well cause your garage door to operate all on its own.
If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.
Some models have two screws labeled.
What should i check.
You may also need to reprogram your keypad or replace the batteries in it.
Set a safety ladder under the garage door opener.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
If the door simply stops short of the floor the likely culprit is the down limit switch.
In fact you really shouldread the entire garage door repair it will make troubleshooting later much easier.
Be careful not to over adjust these controls or the pulley chain may slacken and come off the gear.
You can lengthen the open limit in the same way if the door doesn t open all the way.
Have a helper steady the ladder.
Also verify the antenna on the motor unit is in the proper placement.
My 1 2 hp garage door opener travels only a short distance then stops.
There are no obstuctions and this happens even with the trolley disconnected.
Disconnect the garage door opener from the door and go through the troubleshooting routine on the garage door repair page.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Garage door only travels a little way and then reverses does your garage door only travel a little way 6 inches or so and then reverse.
Remember that sometimes a garage door opener can increase the binding in a.
Place a stepladder beneath the box portion of the garage door opener.
Also i have checked the travel limit adjustments both up and down and checked kg pressure limits both up and down.