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Thread: Gerni pressure washer issues

  1. 10th July 2023, 02:12 PM #1
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    Gerni pressure washer issues

    My 5 yo gerni that has barely been used is unlike Bowie and Mercury and isnt under pressure, if i turn it on without a water hose attached the pump will run.
    As soon as i turn the water on it the pump wont work but water does pass through, our tap pressure is really good so not a lack of pressure and no blockages as water will pass through to the nozzle. I assume it will have some kind of pressure switch inside ?
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  2. 10th July 2023, 08:59 PM #2
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    Check that the mud wasps haven't concreted up some aperture in the works somewhere. Those pumps cut out when they reach a certain pressure as which occurs when you shut down the wand. There's probably a blockage causing the same outcome.
    Don.
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  3. 10th July 2023, 09:09 PM #3
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    Quote Originally Posted by Don 130 View Post
    Check that the mud wasps haven't concreted up some aperture in the works somewhere. Those pumps cut out when they reach a certain pressure as which occurs when you shut down the wand. There's probably a blockage causing the same outcome.
    Don.
    No blockage as water passes through, it has to be electrical.
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  4. 14th July 2023, 10:49 AM #4
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    Going to open it up on the weekend, if i turn it on before turning on the tap it will run for about 10-20 seconds then stop and wont run again until i drain it of any water so conclude that it must be a faulty pressure sure or the like.
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  5. 14th July 2023, 12:50 PM #5
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    The pressure switch on our Karcher gerni has not been working properly for years,it will short cycle at times.

    I just put up with it,have been too lazy to repair it.
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  6. 15th July 2023, 08:44 AM #6
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    Quote Originally Posted by scarry View Post
    The pressure switch on our Karcher gerni has not been working properly for years,it will short cycle at times.

    I just put up with it,have been too lazy to repair it.
    If it stilled worked i wouldn't worry about it but its unusable as is.
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  7. 15th July 2023, 10:06 AM #7
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    Quote Originally Posted by loanrangie View Post
    Going to open it up on the weekend, if i turn it on before turning on the tap it will run for about 10-20 seconds then stop and wont run again until i drain it of any water so conclude that it must be a faulty pressure sure or the like.
    Mine was doing the same thing, but after a couple of solid thwacks, with the heel of my palm, it seems OK. Mine is 240v, so I put it down to a loose connection.
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  8. 17th July 2023, 10:18 AM #8
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    Quote Originally Posted by scarry View Post
    The pressure switch on our Karcher gerni has not been working properly for years,it will short cycle at times.

    I just put up with it,have been too lazy to repair it.
    A Karcher Gerni Gerni pressure washer issues

    That’s a new one Gerni pressure washer issues



    Does that complement your Dyson Hoover?
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  9. 17th July 2023, 12:54 PM #9
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    Quote Originally Posted by Tombie View Post
    A Karcher Gerni Gerni pressure washer issues

    That’s a new one Gerni pressure washer issues



    Does that complement your Dyson Hoover?
    A Land Rover Jeep perhaps.

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