potterton profile 40e wont light up fan spins help plz!

[s4nju]

i have a potterton profile 40e and i changed the gas pipe but now i cant get the thing to light up.

the fan is spining but i can not hear it trying to light. ie not making the clicking sound.

what could be wrong?

many thanks

 

[ChrisR]

As you aren't a gas fitter and don't know what you're doing, turn the gas off at the meter, leave it alone and call a corgi before you blow yourself up.