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.
My garage door stops short.
My 1 2 hp garage door opener travels only a short distance then stops.
Disconnect the garage door opener from the door and go through the troubleshooting routine on the garage door repair page.
Also verify the antenna on the motor unit is in the proper placement.
Finally it s possible the garage door opener s motor.
Be careful not to over adjust these controls or the pulley chain may slacken and come off the gear.
The keypad doesn t work firstly check that you re using it within the range required for your opener.
Some models have two screws labeled.
What should i check.
If the door simply stops short of the floor the likely culprit is the down limit switch.
Remember that sometimes a garage door opener can increase the binding in a.
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.
Have a helper steady the ladder.
Also i have checked the travel limit adjustments both up and down and checked kg pressure limits both up and down.
You can lengthen the open limit in the same way if the door doesn t open all the way.
Locate the limit switch adjustment either on the back of the opener or behind the light bulb s lens cover.
You may also need to reprogram your keypad or replace the batteries in it.
Place a stepladder beneath the box portion of 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 you re too far away this can cause a.
In fact you really shouldread the entire garage door repair it will make troubleshooting later much easier.
This did not affect travel of the trolley or door.
Set a safety ladder under the garage door opener.