Garage Door Opens Then Drops Several Inches

When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.

Garage door opens then drops several inches.

For most doors a complete rotation of the screw allows the door to advance 2 inches. Get logic board replacement. If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch. Model cm 8600 xl m opens completely but slides back down a few inches only and stops.

My garage door geniepro screwdrive model 1 2 h p. Your garage door s logic board is the brain of your garage door opener. Your logic board needs replaced. Probably due for a spring failure.

Continue to turn the down limit adjustment until the door opens and closes properly. As a result when it opens we have to give it a final push manually to keep it from sliding back down. Try to lower the door. Another reason that your garage door won t open all the way in cold weather is probably that the metal has contracted.

In cold temperature the space between molecules reduces making the metal shrinks. It closes without any issue. It depends on the particular door but if you have a two car garage with on wide door getting 7 years out of a set of springs is pretty good. If this is the reason your garage door is not functioning properly the lubricant must be applied.

In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor. I d think it is also possible the cable had an issue when it wound up in the spool and slipped as it reached the top.