probably blocked pilot if pilot flame is not touching thermocouple tip, if it is touching thermocouple tip then new thermocouple required. get the appliance serviced by competent gas safe register engineer
t
June 2009
Ask your friendly gas man to call and fit a new thermocouple to your boiler. That'll sort it!
John
June 2009
I can answer this question...
my pilot light wont stay on its a baxi bermuda 45/4m?