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Discuss Cooker extractor fan fault, tripping consumer unit. in the Looking for Domestic Electricians? area at ElectrciansForums.co.uk.

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  1. BeeJay2
    Offline

    BeeJay2 Active EF Member

    Location:
    West Yorkshire
    Hi, The overhead cooker extractor fan suddenly kicked in whilst switched off at the control!! There was a click from it & it fired up, the unit started to run with the light also coming on. I could only stop it by switching of at it's isolater.
    Later when cooking, we had it running, when there was the usual electrical bang from the fan & the power tripped out at the consumer unit. Switching the power at the hood off, then re-engaging the trip switch, it tripped out again. Immediately re-engaging the trip again it stayed connected & restored power to the kitchen, but obviously unable to use the extractor.
    Our location is north of Huddersfield.
     
  2. diditrain
    Offline

    diditrain Electrician's Arms

    Location:
    north west
    Thank`s for sharing. Are you wondering if there is someone on here who is local to you, to come and fix it for you?
     
  3. BeeJay2
    Offline

    BeeJay2 Active EF Member

    Location:
    West Yorkshire
    Hi, hopefully. I've always done minor electrical repairs in the past, wiring external lights, sockets etc, installed the security system on my last house, but the manner of this fault occurring, ie in the text of my post, is bewildering.
     
  4. dmxtothemax
    Offline

    dmxtothemax Regular EF Member

    Location:
    Australia
    Business Name:
    David Haddock Electronic Repairs
    Why did you use the fan the second time ?
    When you knew that it was faulty ?
     
  5. diditrain
    Offline

    diditrain Electrician's Arms

    Location:
    north west
    There will probably be someone along who is local to you, if you can be patient. What was tripping, an RCD or an MCB? Did you have the extractor isolator switched off before you were trying to reset whatever was tripping?
     
  6. telectrix
    Offline

    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    got a good mate who is a top spark, in Leeds. pm me your contact details and i'll pass it on. however, i think a new cooker hood might be required. can't say without examination on site.
     
    • Agree Agree x 2
  7. Wilko
    Offline

    Wilko Electrician's Arms

    Location:
    Berkshire
    Business Name:
    Wilko Electrics
    Perhaps the switch is faulty to have self started, then behave, then trip. Parts may or may not be available depending on age etc. And the cost of fixing may approach cost of an average new one, just saying :)
     
  8. telectrix
    Offline

    telectrix Scouser and Proud of It Trusted Advisor

    Location:
    cheshire/staffordshire
    Business Name:
    Telectrix
    i'd suspect a short circuit/burn up on the PCB.
     
  9. BeeJay2
    Offline

    BeeJay2 Active EF Member

    Location:
    West Yorkshire
    If you are referring to "Later when cooking," in my post.
    When one of the 2 lamps has simply blown in the past, the RCD has tripped, so it figured that that could be the reason it tripped this time. Resetting the trip a 2nd time restored the power to the other sockets in the kitchen. So it's obvious that at that point the fault could have been a surge or suchlike, so the unit was being used when making a meal. When it went again after app 10 mins, I re-engaged the trip leaving the unit isolated.
    HTH
     
  10. BeeJay2
    Offline

    BeeJay2 Active EF Member

    Location:
    West Yorkshire
    Job now sorted. I removed the filter cover to see if anything was obvious. It was. The 6 core wiring had somehow come into contact with one of the lamps & over time had slowly melted through the insulation, hence "Bang" Stripped out the damaged wiring & re-connected. The lamp itself was caked in molten insulation which was now rock hard, my Avo showed it still functional, so cleaned it up, reinserted, & switched on, bingo job done.
    Extractor 1.JPG Extractor 2.JPG Extractor 3.JPG
     
    • Like Like x 1
  11. SparkyChick
    Offline

    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

    Location:
    South Wales
    Business Name:
    SparkyChick
    Given the proximity of the unit to a heat source, I would advise against using what appears to be a wood screw to secure the terminal block as the sharp edges may cut through the nylon and touch a terminal... resulting in either another bang or something becoming live that perhaps shouldn't be.
     
    • Like Like x 1
  12. ipf
    Offline

    ipf Trusted Advisor

    Not doubting your ability to do minor electrical repairs but I hope you know and understand the regulations involved and have the necessary test equipment for installation work.
    .......and it's not bewildering now, is it?
     
  13. dmxtothemax
    Offline

    dmxtothemax Regular EF Member

    Location:
    Australia
    Business Name:
    David Haddock Electronic Repairs
    Have you considered using LED lamps ?
    A lot less heat, means no melting wires !
     
    • Like Like x 1
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