Motor starts but drive doesn t move.
Liftmaster chain drive not moving.
However the chain has completely stopped moving and by extension so has the door.
I own a liftmaster professional 1 3 hp chain drive garag door opener.
There are a number of possible causes.
Home owners say that they can hear the motor running but the opener simply will not operate the door.
The motor will run but will not move the chain.
Sometimes homeowners will find that their automatic garage door opener runs but the door doesn t move.
I put a lot of wd40 into drive gear and chain read more.
If the motor hums but the chain doesn t move that indicates a problem with the motor.
My old 15 years liftmaster chain garage door opener is making noise at motor driver gear part when the chain is going up with or without door engaged.
It is best to troubleshoot the issue to determine the appropriate solution.
This question is from quora.
This process varies by manufacturer and model but many openers can be re engaged by pulling the emergency cord a second time.
They can hear the motor going but the door itself is not opening.
1 check to make sure the opener is getting power.
Both were something along the lines of either there is no power or the gears are destroyed.
The chain and door connector assembly haven t budged since.
This causes the motor to run for an extensive period of time before it seems to timeout and give up.
What could be causing my garage door opener chain to not move.
Press the remote or the wall mounted start switch listen to the motor and watch the movement of the chain.
Automatic garage door opener runs but door doesn t move.
I disconnected chain and tested without chain enabled read more.
One garage door malfunction that is very frustrating is when it will not open.
Using your emergency release how to release and then re engage your chain drive opener.
Motor unit assembly parts rail assembly parts and installation parts for liftmaster chain drive garage door opener models 3245 3245m 3255 3255m 3255 2m.
This is frustrating especially if you re trying to get your car out of the garage.
As of today 2017 11 08 there were two answers.
Actually there are many more answers.
If the cord has accidentally or purposely been pulled the automatic door opener will not work until the chain is re engaged.