Look, it took all of 30 seconds with Google to find a copy of the manual and a further 10 seconds to get to the page that told you about error codes.
here's one search result
http://www.plumbase.co.uk/link/1/h018715_28511_t.pdf
How did I do that?
http://tinyurl.com/ldccnl8
X, May 2015
