We mentioned that the springs are needed to balance the great weight of the door and make it easier to open and close the door.
Garage door not closing tight at top.
Adjust this knob to lower the door to the floor but don t adjust it too far or the door will push against the the top.
Garage floor may have cracked or shifted 2.
First check the sensor lights.
Though this problem should be obvious it shouldn t be overlooked.
First you need to see what has caused this to happen.
So without the springs you might not be able to even open your garage door.
One controls how far the door closes and one controls how far it opens.
Garage door opener malfunction or door has shifted.
Garage door sensors may not be aligned correctly 3.
Add screws to any empty holes you see.
Depending on the brand.
If you garage door is lowering then reversing.
Start at the top hinge which tends to bear the heaviest load of the three.
The reasons your garage door has a gap in it could be.
If anything interrupts this beam of light the garage door will not close and the ceiling light on the opener mechanism will flash as mentioned in the previous step.
If it is loose and wobbles around tighten it enough to make it stable and not visibly loose but not too tight that it becomes too rigid and inflexible.
Tighten the screws on the hinges using a screwdriver.
If it has not proceed to step 3.
Garage door reversing before closing garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.
But the springs that are part of your overall garage door system balance the door in two ways.
The door should then hang correctly.
Something blocking the door.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
If that is the case you will have to do a spring replacement instead of simply adjusting the garage door.
One sends a beam of infra red light to the other.
When you have positioned it correctly tighten the lag screw as tight as you can.
Garage door seal may be damaged 4.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Balancing the weight of the door is the job of the torsion spring or springs which are mounted along the top edge of the door.
If this is not the problem it could well be that the springs of the garage door have stretched causing the shift.
This is one of the sensors.
It should be taut enough to allow the top of the door to hit tight up against the outside weather stripping when the door closes and hits the floor to prevent drafts.
