It is extremely unlikely that a solar panel would interfere with the garage door opener or the remote.
Solar panels interfering with garage door opener.
For instance the liftmaster 888lm offers the ability to monitor and control your garage door right from your smartphone including the opener lights and more.
Mix an overhead door opener with a pole building which is off the grid and the design solution becomes a solar powered opener.
Using ferrite chokes effective at the frequency of the door on the dc lines from the combiner to the pmw device would probably help.
If there is rf escaping from your system to interfere with the door it is likely coming from the pmw modulation of a charge controller or inverter.
Locating and adjusting the antenna inside of your garage can change the frequency on your garage door remote.
Unfortunately if the control panel for your garage door opener is older it may be more prone to radio frequency interference.
Plus it s compatible with other accessories with myq technology so you could install the timer to close feature so that your garage door.
It is possible the installer damaged the opener in some way while installing the solar panels.
I know for a fact that some pv solar installations due in fact interfere with garage door openers.
If this is the case a new control panel may be your best bet.
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.
Avoid frustration with your garage door by knowing the many sources of radio interference that may be preventing your garage door remote from working.
Of course solar panels can be sized to be able to power things beyond just the garage door openers lighting as well as all of the tools and toys.
Turning your antenna in the opposite direction of high frequency signals can divert unwanted interference from disturbing the frequency of your garage door opener which in turn can improve its operating ability.