low pressure light wont go out?

I have an Ideal ff380 boiler. The heating is not coming on with the timer?

diveter or not?

rattling nosie in the ideal bolier??

My ideal isar HE 24 is showing F L on the screen and won't fire up. ?

h3 code ideal izar he24 what is it?

converting to sealed system?

where is the overheat button on an ideal elan2!!!!!?

Gas Jet Lights but goes off again after about a minute?

knocking sound?

No heating or hot water and no idea whats wrong !!?

safety relief valve?

My shower and hot water taps are running cold?