There is a wide range of reasons why your roller garage door may be stopping too soon and not closing fully. This could include:
- Physical obstructions
- Faulty sensors
- Overheating
- Limit setting issues
No matter what is causing the problem, it is essential to get your door back up and running again as soon as possible to keep your property secure and protected.
In this troubleshooting article, the team here at Rollerdor will take a closer look at this issue and explain how it can be resolved.
What to do if my roller garage door stops too soon
If you’ve noticed your roller garage door is stopping too soon, you first need to try to diagnose the problem.
- Check for obstructions – If something is physically obstructing the door, the safety edge will kick in and stop the door from fully closing. If this is the case, remove the obstacle and try again.
- Turn off the power – If the door has been opened and closed in quick succession, it can overheat and cut out. If this happens, turn the power off and use your manual override to wind the door down by hand. Allow the system to cool down and wait 45 minutes before trying again.
- Faulty components – Photocells are small sensors near the bottom of the guide rails. They project infrared beams across the door’s threshold, and if these beams are broken or misaligned, it can cause the door to stop. Some safety edges utilise optical sensors built into the bottom rubber. If this is deformed or damaged this can cause intermittent stopping. Inspect the safety edge components and check the condition of any associated batteries. If you notice a problem, contact Rollerdor to arrange a replacement.
How to set motor limits on my roller garage door
You may also need to reset your door’s motor limits to rectify this issue.
- Press and hold the up button on the receiver box so the door starts to roll up. Keep going until the motor stops. Or stop if the door appears to be going too high.
- You will notice two straight arrows on the head of the motor that show the direction that the limit nearest to it controls. Place your plastic wand into the limit with the arrow pointing towards the front. Turn it 10 times in the negative direction based on the markings on the motor.
- Press and hold the up button. Again, the curtain should go up. If the curtain gets to 100mm from the top of the guide runners (roughly two slats) and hasn’t stopped, then stop the curtain and take it back down to 300mm from the top of the guides (roughly four slats). Again, turn it 15 times in the negative direction, take the curtain up and repeat the process until the curtain stops 100mm from the top.
- Next, move the plastic wand to the other limit with the arrow pointing towards you. Turn it 10 times in the other direction.
- Press and hold down the button so the curtain closes. You should see it stop before touching the floor. If this doesn’t happen, take the curtain back up 300mm off the floor and turn it again 15 times in the negative direction. Repeat this process until the curtain reaches the floor properly.
- While holding the closed button on the handset, turn the wand in the positive direction. You should see the curtain begin to judder down.
- Keep repeating this until the curtain is fully compressed and pressure has been applied from the top via the locking straps. Ideally, the top of the guide runners should now be exactly in the middle of the top slat, but no more than one slat above the top of the guide runners.
For more information on how to reset limits and general installation and troubleshooting information, take a look at our brochure.
If you need any advice, require accessories or spare parts or for any other information, contact the experts at Rollerdor today.
