It's certainly something to consider. It's probably best to NEVER leave things at their 'default' or 'factory' settings.
I installed several ceiling fans in a new house. A remote used in one room would often operate fans in several rooms. Changing the settings fixed that.
I was being awakened by my doorbell at the strangest times ... and no one was ever there. It turned out that a paralyzed neighbor was using the same sort of cordless doorbell to signal his nurse. Again, changing the DIP switches solved the problem.
