I released the safety handle but the chain drive is still jammed.
Garage door jammed.
Garage door is in the down position seems to want to continue to go down since its cable is still tight.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.
Check for an obstruction visually inspect the track and see if something is wedged in it to obstruct it.
If the handle moves normally and you can feel the mechanism operating but the door still refuses to open normally the next thing to check is whether the door itself is jammed.
The cable side is extremely tight the chain side is extremely loose.
Here are some things to try as you troubleshoot a jammed garage door.
If something you re storing in your garage fell on the track while the door was opening it could get stuck in the track.
Lack of maintenance additional strain on jammed tracks being some of the common ones.
The door rail connector is at the end closest to the door since the door is in the down position.
Any problems with springs or pulley should be examined by a garage door professional.
So enter by the side door and make some more checks.
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If there is something in one of the tracks obstructing the free movement of the rollers the garage door can stick open.
Your garage door seems to get stuck while opening or closing.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
Rollers can cause trouble due to a variety of reasons.
This can often be due to a problem with the tracks or rollers.
This can be a quick fix by identifying the object and then removing it.
A pulley can become jammed by an obstruction or possibly a misaligned or hung up cable.