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kerosene Boiler takes Several attempts to start

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  • 21-04-2009 1:26am
    #1
    Bazsutto
    Registered Users Posts: 205 ✭✭


    Hi all,

    My kerosene boiler is taking several attempts to start up.
    Basically, it sounds as if it is firing up for a split second, then cutting out. But after a few attempts (automatically) it eventually starts. I tried bleeding it but no difference.
    Boiler hasn't been serviced in over a year.
    Anyone any ideas?

    Rgds

    Barry
    Tagged:


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    #2
    ART6
    Registered Users Posts: 2,632 ✭✭✭ART6


    It should run for a few seconds before attempting to fire while the fan purges the chamber, then the igniter kicks in and the burner lights up. All that should take more than a fraction of a second. When the burner lights, a photocell registers the fact that it has and turns off the igniter.

    Generally, if the photocell doesn't register a flame within a given time, the burner will trip and have to be reset, so if it's trying to restart several times in succession that seems to suggest that it is actually igniting, but is going out again immediately. A partially blocked atomiser tip might cause that, so it would be worth unscrewing the tip and cleaning it out (many of them have a small filter in the back). Also check that the fuel line filter is clean.


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    #3
    Bazsutto
    Registered Users Posts: 205 ✭✭Bazsutto


    Thanks for the response ART6.
    Is it hard to get at the atomiser tip?
    If not I will give it a go this afternoon.

    Rgds

    Barry


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    #4
    ART6
    Registered Users Posts: 2,632 ✭✭✭ART6


    Bazsutto wrote: »
    Thanks for the response ART6.
    Is it hard to get at the atomiser tip?
    If not I will give it a go this afternoon.

    Rgds

    Barry

    Generally easy enough. You need to withdraw the burner from the boiler by unbolting the connection plate, but make sure you isolate it electrically first and turn off the oil supply. Probably the oil pipe and electric cables will be long enough to allow you to withdraw the burner without having to disconnect anything. The burner nozzle will have a hexagon head that will allow you to unscrew it with a socket spanner. Just be careful not to bend or damage the igniter prongs or the photocell.


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    #5
    Bazsutto
    Registered Users Posts: 205 ✭✭Bazsutto


    Man you are a legend!!
    I know its early days but did what you said and gave it a good clean and it fired up first time. Just hope it continues to run like it is now.

    Many thanks

    Barry


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