Troubleshooting Your Garage Door | Garage Doors Dunwoody GA

The garage door will only close by pressing the wall button.

If the sensors are not working properly one of the sensor lights will most likely be blinking. The malfunction could be due to loose wires, a path blocked between the sensors, or maybe the sensor is just no good. To correct it check to see if the wires are connected securely, clean the sensors, and check to see if the eyes are facing each other. You can also unplug and re-plug the garage door opener unit. This may reset the sensors. However, if it still does not work, you may need to have the sensors replaced.

The garage door closes then opens back up.

There is an open and close limit on an opener for your garage door. The limits are there to set the parameters for when the door will stop closing or opening. If the limit is set at a point beyond where the door should close, it will not function properly. The limits need to be reset.

The garage door is jamming and jerking when opening or closing.

If this happens, you should inspect the tracks to see if there is any damage. You should also check to see if the tracks have been aligned to the wall correctly. If the tracks look like they might be crimped or bent at all, you should use a mallet or a hammer to fix them. You could also call a professional to fix the problem.

The garage door is squealing or squeaking.

Door rollers are typically made out of nylon. They can cause a garage door to malfunction at times. If the door is making noises while it is opening or closing, you may need to have the rollers replaced.

The garage door remote is not working.

Sometimes when the wall switch works, but the remote is not working you should check to make sure the batteries are working first. If you change the batteries and the remote is still not working, you might need to get a new remote. If you are unable to find your remote model, there are universal remotes available. You may also have a new receiver installed. A new receiver typically costs about $60.

The trolley carriage is moving but the garage door is not opening.

When this happens, the trolley carriage is broken, most likely. Before taking the broken trolley carriage off, you should make sure to clamp the chain onto the rail. This maintains the chain location and makes reassembly quicker. After the chain is secured you can separate it from each side of the trolley. Take time to take the rail off the header bracket and place it off to the side. Take the broken trolley off and replace it with the new one. Put the chain back on and make sure to adjust the tension of the chain. New trolleys cost between $25 and $40.

The garage door is not moving and the opener is making a grinding noise.

When this happens, the main drive gear is most likely not working. The most common part to break on openers is the main drive gear. The replacement of this part tends to be more complicated. Several parts need to be taken out before you can get to the gear. This might be a good time to call a professional. If you decide to do it yourself, it costs about $20 to get a new gear.

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