First you have to identify what is causing the interference.
Garage door opener interference problems.
Step by step process of elimination is the best way to determine what is causing the decreased range on the garage door opener remote.
Led lights have drivers inside the bulbs which produce a field that interferes with the garage door preventing the door from opening.
This is related to the up limit switch.
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.
Aside from household appliance being housed near a cell phone tower or airports can also cause interference to your garage door opener.
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.
Your garage door opener remote might have a reduced range due to interference or it could be another issue.
As with many electrical devices a garage door opener can be prone to emitting and receiving interference.
A cordless or cellular phone an am of fm radio or any electrical equipment that uses a radio signal to operate.
Why led lights cause interference with garage door openers.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
Try making small adjustments.
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.
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.
Avoid frustration with your garage door by knowing the many sources of radio interference that may be preventing your garage door remote from working.
Try several different batteries to make sure the first battery isn t a dud.
Garage doors operate using frequencies between 28 and 360 mhz.
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 will eliminate the most common problem with range being limited.
Garage door openers operate by using radio waves similar to how a remote controlled car works.
If the range is getting worse try replacing the remote battery.