When the garage door tracks or rollers are damaged or the garage door is not balanced your craftsman opener will stop when opening.
Older garage door opener does not engage.
If your door isn t closing adjust it down.
Turn off the sure lock aka vacation mode on the wall console check if limits are properly set check the door balance condition and door spring check opening force control or force settings.
Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
7 the limit setting needs adjustment get a ladder and find the limit switch adjustment knob.
This is a problem that will require you or a service person to replace it.
Make basic checks first.
It s smart to make.
The process is usually the same among all garage door opener manufacturers.
The carriage which connects to the door arm locks around the opener trolley during normal operation.
It might be necessary to pull the door closed slightly to fully engage the trolley.
If the circuit breaker or gfci is tripping repeatedly it s a sign that there is a short circuit somewhere in the system possibly even the garage door opener itself.
Check the breaker controlling the door opener and.
Some models are labeled up and down consult your owner s.
Push the control button either on a remote or at the wall station to operate the garage door opener.
A full turn of the screw equals about two.
Finally it s possible the garage door opener s motor has burned out and isn t operating at all.
Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
Over time that amount of force needs to be increased to.
The opener trolley will engage the carriage once it comes to the full open position.
If it won t go up adjust it up.
From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need.
If your opener is more than five years old it was most likely programmed with a specific amount of force needed to pull the garage door up.
Pull the emergency release rope toward the opener motor head.