My Garage Door Stops Short

This did not affect travel of the trolley or door.

My garage door stops short.

What should i check. 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. Set a safety ladder under the garage door opener.

If the door simply stops short of the floor the likely culprit is the down limit switch. Some models have two screws labeled. Have a helper steady the ladder. 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.

Be careful not to over adjust these controls or the pulley chain may slacken and come off the gear. In fact you really shouldread the entire garage door repair it will make troubleshooting later much easier. If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise. Also verify the antenna on the motor unit is in the proper placement.

You can lengthen the open limit in the same way if the door doesn t open all the way. As with many such problems the most common problem is the simplest one the motor unit has been unplugged. It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned. Locate the limit switch adjustment either on the back of the opener or behind the light bulb s lens cover.

Remember that sometimes a garage door opener can increase the binding in a. Disconnect the garage door opener from the door and go through the troubleshooting routine on the garage door repair page. 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 you re too far away this can cause a.

Place a stepladder beneath the box portion of the garage door opener. Finally it s possible the garage door opener s motor.