Boiler issue?

kindalen

Hi all.

I have a biasi b30/4 oil fired boiler with riello burner. Oil tank is full.

It now will not come on unless over-ride button is pressed on burner many times.

Then it cuts out after about an hour.

Any ideas on what the issue might be?

Thanks.

agusta

When you press the reset button,does the burner attempt to start and then go to lockout?, or does nothing happen when you press the reset button once?

kindalen

attempts to start and goes to lockout.

jimf

does the burner sound the same when its trying to start or is the fan noise barely audible

kindalen

fan only seems to cut in when it actually starts

jimf

sounds like you may have a faulty start capacitor

Wearb

Dirty pc ?

kindalen

i gave photo cell a clean

agusta

kindalen wrote: »

attempts to start and goes to lockout.

So my reading is that the motor and fan doesnt run and then it goes to lock out.If this is so, then jim has called it correct and it looks like it could be the capacitor

kindalen

thanks guys, presume the capacitor be about a tenner?

jimf

when you press the reset button listen very closely and you will possibly hear a very low humming sound

kindalen

yeah i do hear a low humming sound, but no whoosh of the fan until it eventually starts.

agusta

kindalen wrote: »

thanks guys, presume the capacitor be about a tenner?

closer to 15 for a riello capacitor i would think

jimf

most likely a capacitor issue but maybe a fuel pump issue as well

but id be fairly confident its the capacitor

kindalen

thanks guys will try a new capacitor at weekend. appreciate the wisdom!

kindalen

problem appears to be solved.

ta muchly guys.

jimf

kindalen wrote: »

problem appears to be solved.

ta muchly guys.

ta for letting us know a lot don't