Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
How to fix problem of a garage door opener.
If pressing the button on your garage door s remote control doesn t work check the batteries first.
On most you can simply slide the door open on the back of the transmitter and remove the battery.
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.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
06 of 08 garage door does not open completely.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
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.
Others may be screwed in to keep the battery more secure so this type of transmitter will require a screwdriver to open.
When the garage door immediately leaps upward after touching the floor this too is a close limit switch problem.