Fab thank you our Ideal boiler was flashing H9 I have changed the pressure and the boiler is now working. Many thanks for the help.
Carrie
April 2018
overheat fault, check the pressure gauge on the bottom left hand side under the boiler the pressure should be around 1-1.5 bar. could also be the pump or the dry fire stat.
Brucey
February 2010
Automatic Answer
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