Many remotes, can be set up to control more than one device, from the same manufacturer, by typing codes in. I wonder if this was how your relative had this working, and has since managed to reset the remote?
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local