ii would reduce the pressure to 1.5 bar and try the boiler in heating only mode and htng with hot water to see if its a boiler or system fault, cdi s blue light normally flashes if the boiler is faulty
john
September 2010
pressure should be between 1 and 1.5 bar just remove some water from the rads and pressure will drop they have no pilot lights as they auto ignite
kash
September 2010
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
