Plumbing (sorry) boiler fuse keeps going

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  • Plumbing (sorry) boiler fuse keeps going
  • trail_rat
    Member

    Wrong ecu fitted ?

    Premier Icon geoffj
    Subscriber

    😆 @ Trailrat

    Premier Icon molgrips
    Subscriber

    I’m never going to rise to ECU or overtaking jokes, just for your information 🙂

    Anyway, this could be a short thread. Opened the airing cupboard door to put the immersion on, got the tell-tale smell of burnt out electronics. Looks like a tiny leak has been dripping onto the wiring for one of the motorized valves.

    Premier Icon footflaps
    Subscriber

    If your boiler includes a pump, then there’s a couple of hundred watts there, otherwise there’s not a lot else that should draw power, just a few solenoids for the gas valve / water valves etc. I’d have thought 3A would be fine.

    Premier Icon molgrips
    Subscriber

    I posted about my programmer having died the other day. Well, got a new one, and now the fuse for the boiler keeps blowing. It runs for a while, in this case though it was only about 2-3 mins. It had a 3A fuse in it, most google people seem to think 5 is more common.

    Any suggestions of where to look for a fault?

    john_drummer
    Member

    Burned out wiring will do that. Did on ours anyway.

    Premier Icon molgrips
    Subscriber

    The connector for the valve was all gummed up with the brown stuff.. I think it’d been dripping on there for a while.

    Premier Icon bennn
    Subscriber

    Sounds like you’ve self-diagnosed!

    Premier Icon molgrips
    Subscriber

    Although not sure why if it was just water in the wires that I’d smell that smell.. maybe water in the motor valve too.

    Premier Icon bennn
    Subscriber

    Water and electrics can do wonderful things, normally arcing or burnt insulation that smells. 240v going to earth is never good though, turn it off, get your leak fixed then look at a new actuator for your valve :mrgreen:

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