try switching boiler off and on at the isolation switch next to boiler if that doesn't work increase pressure to 2-2.5 bar if boiler works release excess pressure by opening rad air vent if it still doesn't work pressure switch may be faulty
brian
March 2011
I can answer this question...
my potterton pro max 28 boiler is flashing up E119 ?
howtomendit.com for free repair help, information and advice.
