Hi there @SurreySue
Welcome to our Community and thanks so much for your first post to our forums; I was sorry to understand that you're having some issues with your suggestions at the moment.
Suggestions are only recorded based on what your box learns that you like - it takes this information from what you've watched, what you've manually recorded in the past and what you've rated using the thumbs up and down buttons.
These recordings are only Suggestions and are not to be used to ensure a show is recorded. Suggested programmes will only be recorded if there is enough space on your box and they won't replace any shows that you've chosen to record at the same time. Suggestions will also be the first thing to be automatically deleted to make room for your own recordings.
If you are finding that your box has not been suggesting anything recently it could be that your box is too full or the suggestions are clashing with a planned recording. It could also be that it feels that there is nothing suitable at the moment that it thinks you might like.
Suggestions can also be turned off and on, so it might be worth checking that you haven't turned this facility off.
Home> Help&Settings> Settings> Recordings> Suggestions
Hope that helps.
Cheers