Locate and eliminate the source of the rf interference.
Garage door intermittenly working.
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.
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.
If the batteries in your transmitter are dead the transmitter won t be able to send a signal to your garage door to open.
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.
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.
First check to see if the transmitter on the wall inside your garage still opens your garage door when pressed.
Depending on the brand.
First check the sensor lights.
This may sound obvious but your garage door transmitters need power to work.