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buderus gb312 880

dr.phildr.phil Posts: 3Member
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 !!!!
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Comments

  • heatpro02920heatpro02920 Posts: 991Member
    edited March 2013
    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...
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  • heatpro02920heatpro02920 Posts: 991Member
    edited March 2013
    Codes

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  • heatpro02920heatpro02920 Posts: 991Member
    edited March 2013
    Codes

    · ·
  • heatpro02920heatpro02920 Posts: 991Member
    edited March 2013
    Codes

    · ·
  • heatpro02920heatpro02920 Posts: 991Member
    edited March 2013
    Codes

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