Worcester Greenstar Heatslave 12/18 constant lockout

Discussion in 'Plumbing and Central Heating' started by funkyskunky, 10 Nov 2014.

  1. funkyskunky

    funkyskunky

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    HI,

    I have a heatslave 12/18 and it is constantly locking out.

    it seems it is ignoring the water and heating dials and just heats up to a point and locksout after 10 minutes or so

    The local engineer has changed the thermostat, Control Box (with the red light on) and PCB to no avail.

    Any one got any ideas?
     
  2. ALCPlumbing

    ALCPlumbing

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    I think you need a new engineer not just a part changer as we call someone that just changes parts that don't need changing as he doesn't know what he's doing. How much has that cost you?
     
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  4. funkyskunky

    funkyskunky

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    nothing yet because its not fixed ;)

    I get the feeling that there is something not wired in correctly.....is there any wiring diagrams for these boilers?
     
  5. cider

    cider

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    Guessing its an oil boiler.
    You need an oil heating guy to trace what sounds like a burner fault unless its the overheat stat thats tripping. Not a chancing parts swapper as said.
     
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  7. leakydave

    leakydave

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    Is the burner locking-out or is the boiler over heating and cutting out on the O/H Stat?

    Normally if a burner runs for 10 mins and locks out I would be looking at the oil pump solenoid. Is the oil pressure steady throughout the 10 mins it runs?
     
  8. DIYnot Local

    DIYnot Local

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