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Triangle Tube Excellence, E-29 Error Message

This is on a boiler we installed 9 years ago and it started throwing out this error message periodically. The troubleshooting guide says, "The control module is detecting the blower in operation when it should not be". TT tech. support said that replacing the blower motor usually takes care of the problem. We did and the problem persists.

Tech. support now says to look through the venturi to see if the blower is spinning the next time this happens. If it is spinning, replace the blower (again). If not, the control board is suspect.

I'm posting this to see if it's happened to anyone else and what the outcome was.
Often wrong, never in doubt.

Comments

  • JUGHNE
    JUGHNE Member Posts: 8,318
    Does a pressure switch prove the fan operation?
    If so switch could be stuck??
  • ednelson7373
    ednelson7373 Member Posts: 6
    Hi my name is Ed Nelson
    I am with Triangle Tubes tech support dept.
    if you need our help please give us a call Monday - Thursday 8-5 eastern time and Friday 8-4:30
    856 228 8881
    I have attached a troubleshooting guide
    hope this helps
    Zmankcopp
  • Big Ed_4
    Big Ed_4 Member Posts: 1,707
    Nice to see Ed chime in ...
    I have enough experience to know , that I dont know it all
    kcopp
  • tim smith
    tim smith Member Posts: 2,360
    Ed’s great, good to see he is lurking on the wall.
  • tim smith
    tim smith Member Posts: 2,360
    Could be poor communication between motor and control board. I would definitely clean comm cable connectors.
  • The solution was to replace the MCBA board.
    Often wrong, never in doubt.
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