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