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Water not getting hot

Hi i have a dishlex dx302 i have power on the active side of the heater however on the nuetral side which is switched by a relay on the control panel the relay is not pulling in to supply nuetral to the heater the relay tests fine but it is not getting current to the low voltage side to make it work i prosume there is a thermerstat input some where. Can you help if not do you know where i can get a circuit diagram.
Kind reg Kevin

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  • leicester Feb 29, 2008

    Hi i thought was the card however it appears not tried new card.

    Can you please send me a diagram to Kevin@adam

    This will be much appreiated.

    Kind reg Kevin

    It just appears what ever tells the relay it is ok to pull in, isnt doing that.

  • leicester Feb 29, 2008

    Sorry, My email is



  • leicester Mar 03, 2008

    problem was broken wire on tacho now fixed all good thanks



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Hi there I have a dx302 with a heating problem and experiencing similar readings decried above. Is it possible to get a hold of the wiring diagram? It would be a great help. Thank you, Dave

Posted on Sep 28, 2011

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There is no thermostat but there is a temp sensor (ntc probe). if you check the Resistance between terminal g5 and g6 you should get 6.03 k ohm at 20 degrese Celsius.
it sounds to me like the control board needs replacing.
i can send you a wiring diagram and full diagnostics in pdf format if you give me an email address

Posted on Feb 20, 2008

  • Matt Close Aug 12, 2013

    I would love to get the diagnostics pdf ....



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