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    buderus gb312 880 (6 Posts)

  • dr.phil dr.phil @ 2:26 PM
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    buderus gb312 880

    ran great for 1 yr. now ithas intermit locking fault 8y/590 reset it and runs great for 2 weeks or locks out one a day technician could not find anything . any ideas thankyou !!!!
  • heatpro02920 heatpro02920 @ 4:28 PM
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    Codes

    I have seen this before check the vent and intake for blocks. Then make sure your gas pressure is correct was there anything new installed in the gas system... That is a psi switch code.
    That code is either air supply or flu gas pressure. Or it could be high or low gas pressure. That's not the easiest code to t-shoot with out seeing it...

    I have installed about 3 of them units {well the 312 in general not just one size} and they are all still in service, one of which had a problem with ignition but buderus took care of parts and labor...
    This post was edited by an admin on March 1, 2013 10:03 PM.
  • heatpro02920 heatpro02920 @ 4:28 PM
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    Codes

    This post was edited by an admin on March 1, 2013 4:29 PM.
  • heatpro02920 heatpro02920 @ 4:28 PM
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    Codes

    This post was edited by an admin on March 1, 2013 4:30 PM.
  • heatpro02920 heatpro02920 @ 4:28 PM
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    Codes

    This post was edited by an admin on March 1, 2013 4:31 PM.
  • heatpro02920 heatpro02920 @ 4:28 PM
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    Codes

    This post was edited by an admin on March 1, 2013 4:31 PM.
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