Plenty of people asking that online, precious few answers it seems ... one site suggests you go to the LG website, which is a complete red herring.
The manufacturer is Alba Bush Goodmans. They don't appear to offer a downloadable manual but their contact details are here:
http://www.albaplc.com/html/Brands/G...ries%20LP.htm#
EDIT
My link is better than Altis' because it takes you to the appropriate brand support page