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Discuss Worcester 37cdi combo E9 fault code in the Plumbing Forum area at UKPlumbersForums.co.uk.

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  1. mff369

    mff369 New Member

    Hi,
    I have a Worcester 37cdi combi & over the last couple of weeks it has been cutting out with the E9 fault code showing.
    This evening I have reset it numerous times.
    Any suggestions what is causing this ?
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    What's the pressure at ? Should be a dial on the front of the boiler
     
  3. mff369

    mff369 New Member

    It’s just above 1.
     
  4. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Is that with the heating warm or cold ?
     
  5. mff369

    mff369 New Member

    Heating is warm. It’s been on since 4.30pm.
     
  6. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    I would say up the pressure upto 1.8-1.9 bar
     
  7. mff369

    mff369 New Member

    Ok. I will try it. Thanks
     
  8. mff369

    mff369 New Member

    I have upped the pressure but as soon as i turn the hot water on it cuts out with the E9 fault code.
    When I press reset the green light is lit indicating the boiler is lit but there doesn’t appear to be anything coming out of the flue although the rads are getting hotter.
     
  9. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Sorry to say time to get a gas safe engy out
     
    • Agree Agree x 1
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