If the door opens with the wall switch a simple battery change in the remote should do the trick.
Guardian garage door won t open.
Disconnect the door from the trolley and try the test.
When your garage door won t open with the remote there are few things that can cause this problem.
The antenna on the motor could be damaged or blocked from the signal.
Many garage doors have a powerful torsion spring located horizontally above the door.
You might be out of range.
When the door is lowered the spring winds up tightly creating a pulling force that helps lift the door up.
Limit adjustments define the points at which the garage door will come to rest in the open or closed position.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
There is a down limit setting that stops the door at the close position and open limit setting that stop the door at the desired open position.
If the garage door opens correctly but fails to close completely there may be one of three common causes.
Make sure it is hanging down from the motor.
If it is 12 beeps chances are you have a bad main circuit board.
It is odd for any opener to not open at least some.
It can easily be.
If you own a guardian 628 electronic garage door opener and it will not open or close count the number of beeps.