When the garage door opener works intermittently the logic board may be experiencing radio frequency rf interference from nearby sources such as security lights ham radios and some electronics.
Garage door intermittenly working.
If your garage door opener uses a keypad and that keypad stops working then there are a few things you can do to get it functioning again.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Depending on the brand.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
The solutions firstly check that you re using it within the range required for your opener.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
When the garage door doesn t budge at all when the remote or wall switch pressed it s almost certain the power source has been disrupted in some way.
Locate and eliminate the source of the rf interference.
First check to see if the transmitter on the wall inside your garage still opens your garage door when pressed.