my boiler keeps flashing f1 on the display sometimes it will reset when pushed but now iT just keeps goIng Back to f1 and will not reset no hot water or heat any ideas.

JIM BENNETT, March 2011

your condensation pipe may be blocked.this is the small pipe at the base of your boiler and runs outside just pull off the flexipipe and drain any water off.this condensate should be able to flow outside without restriction if water is trapped it could freeze and cause this fault code.

R SAXTON, March 2011