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Electrolux EWM 2100 - Need to know what a component is on the EWM 2100 board

Electroniik 14226 7
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  • #1 18907806
    Electroniik
    Level 2  
    Label with barcode and serial number ST100X AUS. Hi Everyone,

    Does someone know what the component circled on the picture is (a choke coil?, a transformer?)?
    My washing machine does not get any power anymore and this component, and a few others around it, are blackened. I would like to replace this component but I'm not sure what it is, I don't know how to find it and where I can order it.
    Does anyone know what the E47 x 1042 writing mean?
    I've spent a couple of hours on Google searching for it but was unsuccessfull.

    Thanks for your help. Washing machine circuit board with a highlighted component. Close-up of a circuit board with a marked component labeled E47 x 1042. Close-up of an electronic component on a circuit board labeled E47 x 1042, circled in red.
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  • #2 18910848
    Electroniik
    Level 2  
    I found information once I searched on Google using "Zanussi" instead of "Electrolux". The component is a transformer.
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  • #3 18912971
    Loker
    Level 39  
    Inverter transformer. Don't move - it practically never breaks down. Besides, you can't buy it anywhere.
    Check the fuse resistor, post a photo from the bottom of the board in the vicinity of this transformer.
  • #4 19227427
    scott__
    Level 2  
    Hi Electroniik.
    I have the same problem. Do you know which part is faulty? Did you find a solution?
    Thanks.
    Scott
  • #5 19227579
    Electroniik
    Level 2  
    I'm afraid I haven't found a solution because the washing machine belonged to a friend who gave up on it.
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  • #6 19227589
    scott__
    Level 2  
    That's a shame. My circuit is exactly the same as yours - same black soot in the same places. My transformer has the markings E47 x 1116. I don't know what they mean (except E is the type of ferrite core).
    Thanks for getting back to me.
    Did you measure your transformer with a multimeter? Mine measures 8 ohm on the primary and a short circuit on the secondary (I think - I haven't removed it from the board so other parts of the circuit could be interfering with the reading).
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  • #7 19235782
    Loker
    Level 39  
    This is a flyback converter transformer - the secondary winding has several turns so it's normal for the meter to show a short circuit.
  • #8 19250679
    scott__
    Level 2  
    Thanks Loker. Yes, turns out the flyback transformer was fine. The black soot must just have been attracted to the magnetic fields. I replaced a blown triac and now the board is working again.
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Topic summary

The discussion revolves around identifying a component on the Electrolux EWM 2100 washing machine's circuit board, specifically a blackened transformer. Users suggest that the component is an inverter transformer or a flyback converter transformer, which typically does not fail. One user mentions that the markings on their transformer are E47 x 1116, indicating it is a type of ferrite core. Another user notes that the black soot may not indicate a faulty transformer, as they successfully replaced a blown triac, restoring functionality to the board. The conversation highlights the challenges in sourcing replacement parts and the importance of checking other components, such as fuse resistors.
Summary generated by the language model.
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