As with many electrical devices a garage door opener can be prone to emitting and receiving interference.
Garage door opener interference problems.
Many different electronic devices can cause radio frequency interference which will reduce the range of the garage door opener remote or cause it to work intermittently.
Avoid frustration with your garage door by knowing the many sources of radio interference that may be preventing your garage door remote from working.
A cordless or cellular phone an am of fm radio or any electrical equipment that uses a radio signal to operate.
Garage doors operate using frequencies between 28 and 360 mhz.
Step by step process of elimination is the best way to determine what is causing the decreased range on the garage door opener remote.
Interference can be caused by any unwanted radio signal.
This thread suggests isolating the garage door opener from interfering devices by placing a 3 foot x 3 foot square of aluminum foil on the ceiling above the opener.
The location of the garage door openers signal may be blocked by some of the other devices in your home running on the same frequency.
This can happen when electrical currents change and can happen with both man made devices cell phones televisions internet etc and natural sources lightning auroras etc.
It s a good thing we can only hear a limited range of audio frequencies 20hz to 20 000hz because if we did hear everything in the radio frequency range it would drive us crazy.
Try making small adjustments.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
Your garage door opener remote might have a reduced range due to interference or it could be another issue.
Led lights have drivers inside the bulbs which produce a field that interferes with the garage door preventing the door from opening.
Generally when it comes to garage door openers it s ensuring that you use a professional garage door service to minimize this from happening.
Try several different batteries to make sure the first battery isn t a dud.
This is related to the up limit switch.
Why led lights cause interference with garage door openers.
This will eliminate the most common problem with range being limited.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
Garage door openers operate by using radio waves similar to how a remote controlled car works.