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Mend Potterton 28 Boiler Pressure

my potterton pro max 28 boiler is flashing up E119 ?

hi my potterton boiler is flashing E119 even though my pressure gauge is showing 1bar what is wrong,i have no hot water or heating

susan
March 2011
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
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