The Ultimate Guide to Automatic Garage Door Repairs

Remote Control

Having an automatic garage door opener is incredibly convenient, but like any mechanical system, they can sometimes malfunction or need repairs. When something goes wrong with your garage door, it can be frustrating trying to figure out the problem and get it back to working order.

We’ve carried out installations and repairs for automatic garage doors in Kent, Sussex and across the southeast, so we’re well equipped to identify and rectify any issues you may have. Whether your door just needs a quick adjustment or more extensive repairs, our guide will cover the most common problems garage owners deal with and tips on how to resolve them.

Common Problems and Solutions

Door Not Opening or Closing

Start by checking a few key troubleshooting spots. First up is power – ensure the outlet has power and the breaker hasn’t tripped. Verify all the wires connecting to the motor are inserted firmly. Next, take a look at the safety sensors on both sides of the door. If they’re dirty, give them a quick cleaning so they can properly detect obstructions. You’ll also want to make sure the sensors are correctly aligned and nothing is blocking their pathways.

Friction from metal tracks and rollers can also prevent smooth operation – use a garage door lubricant on these moving parts to reduce drag. Applying a lubricant regularly actually helps avoid stuck doors in the first place. Just a few quick checks and maintenance tweaks like these can get your garage door moving again so you can get vehicles in and out with ease.

Noisy Operation

A common problem with automatic garage doors that haven’t been well maintained is noisy operation of the door as it opens and closes. Luckily, there are a few straightforward solutions that can address the underlying issues causing the noise. Inspect the rollers and hinges that allow smooth travel of the door and apply a door lubricant to any that appear dry. This can eliminate any squeaking or grinding noises from friction.

Another culprit of noisy operation is loose hardware. Check all screws, bolts and fasteners on the door panels, tracks, springs and motor unit, and tighten anything loose to eliminate rattling vibrations. Worn out rollers, cables or garage door parts can also cause excessive noise. Replacing damaged rollers, frayed cables or worn parts like hinges and pulleys can return the door motion to quiet operation. Routine inspection and lubrication along with addressing loose or worn parts are simple, do-it-yourself solutions for quieting unwanted noises from the automatic garage door.

Reversing Door

The automatic garage door reversing unintentionally while closing is a safety feature but can be a nuisance if it’s activating when there’s no obstruction. There are a couple of things to check in this situation. First, inspect the doorway thoroughly and test the door to see if there are any objects breaking the safety sensor beams near the bottom of the doorway. If so, clear the obstruction and realign or clean the sensors so they have a clear line of sight to operate properly.

If no obstruction is found, the next step is to adjust the closing force and sensitivity. There are dials or buttons located on the garage door opener unit that control the amount of force used when closing and the sensitivity to reversal. Turning down the force slightly or decreasing the sensitivity can prevent the door from reversing when there’s no obvious blockage. Just take care not to adjust to an unsafe level. The goal is finding the right settings that allow unobstructed closure while still reversing if needed for safety.

Door Opening and Closing By Itself

If the garage door is opening and closing by itself, there are a few possible solutions to address the problem. The safety sensors may have become misaligned and need realignment so they can properly detect obstructions in the doorway again. Another possibility is the remote control or wall button is stuck engaged, continually sending the open/close signal to the door.

Try cleaning the contacts on the button with electrical spray or replace the remote or button if needed. Faulty wiring could also be an issue, where damaged insulation or pinch points are shorting out and sending stray signals. Inspect the wiring from the motor to the wall controls and replace any damaged wires. If the garage door has updatable software, installing the latest manufacturer update may also fix any glitches causing the self-activation.

Having an automatic garage door certainly makes coming and going much easier and faster. But like any frequently used mechanical device, it’s bound to run into problems at some point. The good news is that armed with the information in this guide and help from our specialist team, you can troubleshoot and fix most common garage door issues. If you need assistance or professional repairs, don’t hesitate to get in touch with a member of our team today.

Author: CDC Team
Published on: Last updated: 19th September 2025

Why Choose Us?

Professionals with 15+ years of experience in the industry
Experts at supplying housebuilders, developers and architects
Factory made in the Uk with the finest Quality Workmanship
Garage doors with exceptional strength & long-lasting durability

Read Our Latest Reviews

Posted on Google Google
Anna Baldwin profile picture
Anna Baldwin
24 November 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I have dealt with Alan and CDC on several projects through my workplace, our clients and I have always been very pleased with their service so I decided to use them on my own property. Over the moon with my new sectional door, looks stunning and the fitting team were very friendly, polite and carried the work to a high standard. Would definitely recommend and will continue to use one work projects. Thanks Alan, Colin and the team! Anna
Posted on Google Google
Ethan du Plessis profile picture
Ethan du Plessis
9 July 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great company! Timely, helpful and very efficient. Timea in the office was great and Ian the fitter was really good even helped out with another snag not on the job list! Would definitely recommend.
Posted on Google Google
Andy K profile picture
Andy K
16 May 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
When Colin came to run us through all the options he was very knowledgeable, explained everything and was very patient with my many questions. After confirming and paying the deposit, the door was manufactured very quickly and installed within 3 weeks. The door itself is high quality, installation is exactly as agreed and the installers left the place spotless.
Posted on Google Google
Nordec Heating Ltd profile picture
Nordec Heating Ltd
16 May 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great service & work carried out. Very pleased with our new roller garage doors.
Posted on Google Google
Sat Sahota profile picture
Sat Sahota
30 April 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I contacted Simon Wallace from CDC Garage Doors a year ago with a tentative enquiry for a single white roller shutter to replace my old up and over manual door. He was very responsive and helpful at the time but I didn't go ahead as I thought we could make do with the manual garage door. Then a month ago my wife's new car was vandalised so I decided to clear the garage so that she could park it safely indoors. I reached back out to Simon who was more than happy to help. He offered a great price and visited site to measure up within a week. I paid the deposit and the fitters came a few weeks later once the door had been delivered. Peter and Mason did a wonderful job of the installation, the service was excellent and the finish was immaculate. Timea in the accounts department has been very helpful with the invoicing and logistics too. I'd recommend this company to all my friends, family and clients and wish I had pushed the button (no pun intended) sooner. Look no further than CDC Garage Doors.
Posted on Google Google
Kevin Granger profile picture
Kevin Granger
29 April 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
CDC Garage Doors have supplied and installed garage doors for me on a number of projects. In my opinion, they supply the best products available and employ fitters with a wealth of experience. Prior to placing an order, they offer sound advice which is always appreciated. I will be in touch with CDC on our next project and would not hesitate to recommend them to others.
Posted on Google Google
Robert Dickson profile picture
Robert Dickson
17 March 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Excellent service. Straightforward and sensible advice given pre-fit, and then double garage door fitted very neatly with no fuss in a single afternoon, with old door removed and site left spotlessly clean. Also great aftersales and refund when I decided threshold strip not required. Would definitely recommend for workmanship from good local firm.
Posted on Google Google
Shirley Lindridge profile picture
Shirley Lindridge
25 February 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Thank you CDC for your superb emergency service last Thursday 20Feb. You are an excellent team and I can highly recommend you. Tamea, Ian and George - thank you all.
Posted on Google Google
??????????? profile picture
???????????
30 January 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
incredibly helpful great knowledge
Posted on Google Google
Joseph Abraham-Brown profile picture
Joseph Abraham-Brown
6 January 2025
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Easy booking and good installation

Book a Free Site Survey

Call us on  01342 645 486 to discuss your project requirements and arrange a free site survey. A friendly member of our team will be delighted to assist you.

Book a Free Survey