Question about QMark LFK304 Fan Forced Wall Heater - Perfect for Offices

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K 484A fan forced wall heater

Heater has stopped working? i checked reset button and fuse and all appears ok

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  • Theodore Cain Oct 14, 2008

    was working yesterday, tried to turn it on today and not working at all. I turned it up all the way and no sound at all. before this happened i could hear some noise and it would turn on right away. now nothing???

  • Theodore Cain Oct 14, 2008

    and yes it is on a circuit breaker

  • Theodore Cain Oct 14, 2008

    just purchased this heater about 6 months ago. had professional install it.worked great until now,checked reset button ok, checked circuit breaker and everything appeared fine. as for plug and external wiring i dont know? how do i check this?

  • Theodore Cain Oct 14, 2008

    I can see the connectors and all appear to be connected. any other solutions?

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Hi ratuted,

I was unclear as to your units power supply, if it plugs in pull plug and plug in hair dryer or some other small apppliance to verify circuit power. We'll continue if this isn't not the problem.

anaanymous - Union electrician 20 yrs exp. we'll get going guaranteed.

Posted on Oct 14, 2008

  • anaanymous Oct 14, 2008

    p.s.



    If the ciruit is dead recheck all the breaker, sometimes a tripped breaker may look as if it is still set. To narrow the search for the tripped breaker look at the panel legend and see what breaker controls that part of the house. Turn off all possible breakers one at a time fully turning off and then fully on. You may have to reset a few clocks in the by doing so, no problem, your not going to hurt anything just power off things like PC Tv's. Don't worry about the frig and stuff, they will be ok. We'll continue if this isn't the issue. Toubleshooting electrical problems requires a certain amount of patience.



    anaanymous

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Hi,

It would seem that diagnosis would have to be done by process of elimination. To start with, it has to be established that the unit is receiving power. This could be performed with the use of a voltmeter/DVM. Thereafter with the same tester, voltage checks should be done from the breakers, wiring, connector, fuse, switch, controller board, thermistor. thermal cutoff, heater element and fan. Since as you posted no sound, nothing at all, then initially, it could be assumed that the defect is common to the components such as missing power, either from the source or through the controller board. This would require familiarity with electrical components and circuitry. If you would be uncomfortable performing a DIY (do-it-yourself), perhaps the safest bet would be to seek the services of a qualified professional.

Hope that this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 14, 2008

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  • There will be four deep hidden screws on the back.
  • Remove the screws and pull off the back.
  • The element connections are push on spade connectors.
  • See if one of your came off. Just push it back on its terminal and it should work
  • it will surely work.......

Posted on Oct 14, 2008

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Check the circuit breaker.

Try turning off power from main for fifteen minutes, and see if it restart when you put power back on.

If the unit does not show any sign of life (no power at all) then look for a circuit breaker or a fuse to be replaced.

Posted on Oct 14, 2008

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  • There will be four deep hidden screws on the back.
  • Remove the screws and pull off the back.
  • The element connections are push on spade connectors.
  • See if one of your came off. Just push it back on its terminal and it should work.




Posted on Oct 14, 2008

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You need to check its plug and external wiring.. may be worn out.

Posted on Oct 14, 2008

  • Puneet Jain
    Puneet Jain Oct 14, 2008

    Its power controller and Switches need to be check internally, if you are capable to open them with the help of screw diver and other tools.


    The supply power wiring and the internal wiring to power controller may be broken up.


    Go through this site and if you dont have manual then use it and check out :


    http://www.heatersplus.com/ceiling.htm



    Have a Nice day


    Regards,


    Ellin

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