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PCB Fire!!!

Discussion in 'PCB Layout, Design and Manufacture' started by frontshop, Jul 3, 2013.

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  1. frontshop

    frontshop

    1
    0
    Jul 3, 2013
    Hi Everybody

    Can anyone help, for nearly a year now I have been trying to find out why my dishwasher set on fire! I have narrowed it down to the relay HF3FD fitted on the Flextronics PCB that I feel is underrated for the potential failures during the dishwasher operation. If anyone out there can shed further light on this matter please help me, you can view my findings and pictures here:

    dishwasherfire.blogspot.co.uk

    Advanced thanks for any help
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,496
    2,837
    Jan 21, 2010
    Heat + fuel + oxygen = fire.

    Heat comes from some combination of poor design, water ingres, dust blocking airflow, overload, etc.

    The PCB and other surrounding material is the fuel.

    Plenty of oxygen in the air.

    If things go pear shaped you'll have a fire. (hopefully it doesn't go that far, but clearly it has)
     
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