Combi boiler firing up every few seconds?

[Stace87]

Is it normal for a combi boiler to ignite every few seconds? We have a prepayment meter and I know that's more expensive but the central heating seems to be costing a lot of money. Just checking to see if the boiler is faulty or if that's normal?

 

[stevetheplumber]

without the make and model its difficult to help but it could be you have the preheat or warmstart turned on try looking at the operating instructions for this

 

[Nostrum]

Sounds like it could be a flame recognition or gas valve/PCB fault if it's firing every few seconds

 

[Stace87]

It's a Ferroli Falcon. It mostly ignites every 3 seconds. It can go about 15-30 seconds, but rarely longer.

 

[Nostrum]

Do you get fluctuating hot water temperature and do the radiators take a while to heat up?