I have a radiant RSF 30 E boiler this keeps flashing a error code 3, which in the manual says it is a flue safety thermosat lock-out but then says not applicable. Any ideas why this is flashing when it says not applicable and any ideas how i can fix this?

Thanks Samb

Samantha Butcher, October 2008

i dont kno and ive been and had a look at it! pcb is my bet lol

gaz

gaz, November 2008

HI, I have a Volkera boiler and it flashes 3 when it is cold and the boiler wont fire up, not an answer but its something to do with very cold weather!

stephen, October 2008