Thermostat or control board

BigJohnfromCT Posted By BigJohnfromCT, May 12, 2019 at 2:36 PM

  1. BigJohnfromCT

    BigJohnfromCT
    Burning Hunk 2.
    NULL
    

    Dec 29, 2012
    246
    51
    Loc:
    Danbury, CT
    Attached is a video file of my blinking thermostat. I have no idea what is wrong, i.e. is it the thermostat or the control board in the stove and given the high price of both I'm trying to narrow it down. Here's what I know:
    -Stove is a Quad MVAE, dealer installed in March 2011
    -It happens randomly
    -Thermostat does not lose the program
    -I installed a new Tripplite surge protector last week thinking it might be dirty power.
    -Sometimes it will stop by itself, sometimes I pull the plug on the stove to clear it up
    -Stove seems to run fine except for this flashing thermostat
    -Wires on back of stove and t-stat are tight
    -Happens whether the stove is dirty or clean
    -I'm out of ideas

    Any thoughts or questions are welcome. Thank you for reading. BTW, the file takes a few seconds to down load
     

    Attached Files:

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  2. BigJohnfromCT

    BigJohnfromCT
    Burning Hunk 2.
    NULL
    

    Dec 29, 2012
    246
    51
    Loc:
    Danbury, CT
    So I'm looking at about $265 for a new t-stat or $531 for a new control board. Unfortunately, as they are both electronic components neither are returnable. Guess I'll just wait it out.
     
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  3. Ssyko

    Ssyko
    Minister of Fire 2.
    NULL
    

    Nov 6, 2017
    2,209
    529
    Loc:
    Lorraine NY
    Unhook the T-stat and see if the stove runs normal.
     
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  4. BigJohnfromCT

    BigJohnfromCT
    Burning Hunk 2.
    NULL
    

    Dec 29, 2012
    246
    51
    Loc:
    Danbury, CT
    Not sure that the stove can be operated w/o the t-stat.
     
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  5. Ssyko

    Ssyko
    Minister of Fire 2.
    NULL
    

    Nov 6, 2017
    2,209
    529
    Loc:
    Lorraine NY
    Oh ok, its the quad wall unit My bad. I was thinking a normal tstat
     
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  6. kappel15

    kappel15
    Minister of Fire 2.
    NULL
    

    Sep 14, 2014
    2,208
    433
    Loc:
    Iowa
    Have you ever cut the ends off the tstat wires that go to the stove? The wires are small and cheap and can get a bad signal back there. Cut ends off and attach wires to screws. Also on the back side of the screws, the wires are zip tied together and sometimes that tie can be too tight. Cut it off. Check wire connections on tstat. You can try to reboot the system by unplugging stove. Turn dial on control board to 1. Plug stove back in and wait till it is done doing an auto clean. Unplug stove, and turn dial back to zero. Plug stove back in and see how it does. I had to replace my control board on my 06 this winter as a relay went out on it finally. Luckily, I had my old board yet and put it in, and works fine. kap
     
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  7. kappel15

    kappel15
    Minister of Fire 2.
    NULL
    

    Sep 14, 2014
    2,208
    433
    Loc:
    Iowa
    And if need be, I have my old wall control you could try, to eliminate if it is the wall control or the control board. kap
     
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