Trouble Operating Garage Door

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Posted by: from Almonte
12/29/2013 at 12:31:51 PM

Garage door will only operate when holding down the button at the house. The remote or a single touch of the fixed control button will make the light on the control unit light up and the door will move less than one inch. The door is used only 2-3 days per week and has been installed for over 10 years.

Could this be sensitivity control? Where can I adjust the sensitivity, if necessary?

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Scott from Kisco Garage Doors in Almonte
Date/Time12/29/2013 at 12:49:36 PM

Have you checked that the sensors are aligned and the beam eyes are cleaned? Try that first. A sensor could be bad or a wires may be loose.


There is usually a control for adjusting the sensitivity of the circuitry that senses the current draw of the opener's motor. As you know, it's part of the safety built into the door opener for those cases when a child or pet gets under a closing door or when something may get caught in an opening door. You should pull the emergency release cord and make sure the door opens smoothly by hand. With the door manually opened all the way, see if the opener moves the mechanical parts if it's a chain drive or screw drive, which will help you determine if there is a drive mechanism problem. There should be a knob or hole with a screw slot for adjusting the sensitivity of the current limit for the motor. The potentiometer could simply have some dust in it or there could be dried grease on the drive mechanism which would cause the motor to draw enough current to shut it down.

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