baxi duotec combi HE ??
GCN 47-075-??
low system pressure
E119 fault
look in user manual
page 6
section 3
or goto
http://www.heateam.co.uk/how-to-repressurise-your-boiler.htm
manwithnoname
April 2012
Automatic Answer
We may have found other answers which could help you.