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Unit worked ok. Now trips ELCB when started. Have dismantled and powered-up control/motor unit and heater unit separately. no problems.

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  • brian_trippt Sep 13, 2010

    Thanks for that. No direct shorts found but leakage detected. Heater chassis to earth volts= 60; Motor/control unit chassis to earth voltage=100. Unable to measure current.I understand that heater elements always leak, and for that reason are sometimes connected to non-ECLB circuits, but other unit is a worry. Any further advice before I trash it will be appreciated.

  • brian_trippt Sep 13, 2010

    Thanks again Azraelsrl, looks like the scrap heap!

  • brian_trippt Sep 13, 2010

    I appreciate azraelsrl's solution - clear, concise, informative and very prompt.

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Te ELCB is tripped when you have a short. Since the actual parts appear ok (i hope you checked them for an internal short, they don't become live when you plug them in the mains) then the defect is in the wiring or the control panel: check every single wire or part (even the plug itself) for shorts to the ground / the case of the unit.

Posted on Sep 12, 2010

  • Azrael SRL Sep 13, 2010

    The heater element is by design leaky (it's basically a resistor encased in a capacitor, and the capacitors transmit alternating current) so that shouldn't be a surprise - even if the leak is important. But the motor/control leak is and it's a major malfunction - if you can't find the short and eliminate it then the unit is simply too dangerous to use.

  • Azrael SRL Sep 13, 2010

    Sorry i couldn't be of a more assistance. Please don't forget to rate my replies.

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