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Boiler not Igniting 24

Discussion in 'Plumbing and Central Heating' started by Tmon, 28 Nov 2020.

  1. Tmon

    Tmon

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    Hi

    Can someone please help, my Worcester Junior 24i boiler is not Igniting. The pressure did drop before I noticed and I've fixed that. Now there's no green light but I hear a lot of ticking after I reset it. I think the pressure dropped because we turned on a rad that was off for a long time....maybe.

    I think the boiler is around 10 years old

    Thanks
    T
     
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  3. dilalio

    dilalio

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  4. Tmon

    Tmon

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    ? Could you expand please?

    Do you mean in the reactivated rad?

    The blue light is also slowly flashing if that matters?
     
  5. dilalio

    dilalio

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    Open unused rad = pressure drop
    Top up pressure = get air out
    If your boiler is at top of system or is in upward loop, you need to get air out of boiler... That's first guess, based on your description.
     
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  6. Tmon

    Tmon

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    Thanks. I'll bleed all the rads today and if that doesn't work I'll try to then get the air out of the combi
     
  7. ianmcd

    ianmcd

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    Are you sure you didnt turn the gas isolation tap off bt mistake, when re-pressurising the boiler ?
     
  8. Tmon

    Tmon

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    Pretty sure, the only lever I touched was the black one on the hose. I saw a small red lever a bit further in and went nowhere near it. Would that be the gas isolation?
     
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  10. ianmcd

    ianmcd

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    no the gas one will be yellow, check it is open, if you can hear the boiler sparking then everything else is ok , it is not getting gas
     
  11. Tmon

    Tmon

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    Don't see a yellow leaver, only the red one which is further in.
     

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  12. Tmon

    Tmon

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    I tried the temporarily upping the pressure to see if that would force any air out but no difference. Not too sure what else would be safe for a novice to try. Would it take around 24hrs from when the rad was turned on for the air to get into the boiler? Heating was working fine intially after the reactivation.
     
  13. dilalio

    dilalio

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    Have you another gas appliance you can use to test if you have gas?
    That and making sure the system is pressured and no air is about all you can do as a novice.
    Also check your condensate drainage isn't blocked.
     
  14. Tmon

    Tmon

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    Gas hob is fine

    It was serviced on Friday and all was fine, the engineer got the rad working at the end. I know where the condensate pipe is but wouldn't know how to check if blocked. Also wouldn't know how to check if there's air in the boiler.

    Thanks
     
  15. Tmon

    Tmon

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    BG had a cancellation and came today and resolved.

    Turns out the lever on the gas meter under the stairs was knocked shut a bit, enough gas coming through for cooker but not open enough for boiler. My guess is it was done by the large electrician on Friday who squeezed himself under the stairs. Luckily I used the BG home care cover but still the £99 excess kinda wasted. Could have been worse I suppose.
     
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