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  1. mrwojo

    Tekmar 356 has no display

    ok so I am an idiot. Had I actually removed the controller i would have seen the screws on the back and not even questioned if it was sealed. lol After opening it and seeing no visible indication of a failure am I safe to assume I need a new 356 controller?
  2. mrwojo

    Tekmar 356 has no display

    I have no display at all and it does nothing. Unfortunately it is past its warrentee and I can find no place local to get a new one. I cannot get one shipped to be here sooner than Feb 8. I was told about an internal fuse which would make sense but my controller is riveted together . There isnt...
  3. mrwojo

    Tekmar 356 has no display

    I have cycled power several times and there is no lcd on the display even working. I do have at least 24 v on terminal 8 and 9.
  4. mrwojo

    Tekmar 356 has no display

    I checked from terminal 8 to ground 27.4 and 9 to ground is the same. That tells me its the 356 controller that is bad correct?
  5. mrwojo

    Tekmar 356 has no display

    I have a outdoor wood boiler through a heat ex changer into my indoor NG boiler out to my radiant floors. My question is my Tekmar 356 has no display and nothing is working. could this be bad 24v xformer input or is it a bad controller? What can I do to test to ensure the controller is bad prior...
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