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Fan over speed pl 199 boiler

drewel Member Posts: 2
Every 7 or 8 cycles get the F14 error mesage checked wires  it went away for 2 weeks than started to happen again. fan speed 5900 at pre burn and 3600 durning burn. how do I tell wheather rto change fan or control ?


  • Tim McElwain
    Tim McElwain Member Posts: 4,480
    Sorry PL 199

    does not tell me who makes the boiler, need that info to be able to help you.
  • Jr_12
    Jr_12 Member Posts: 38

    Sounds about right...most likely a bad Blower motor, but kind of a crap shoot
  • Paul48
    Paul48 Member Posts: 4,470
    edited February 2012
    Corrective Measures

    1. Check the combustion air fan wiring.

    2. Replace the combustion air fan.

    3. Replace the control board.

    I doubt the control board could be checked properly in the field.
  • Tim McElwain
    Tim McElwain Member Posts: 4,480
    If it is a Peerless

    Pinnacle I believe it has the same board as a HTP Munchkin. I have the procedure for checking the board in my Mod/Con Manual Volume I, it covers the original Honeywell board (1996) the and the two later boards (925 & 926) the HTP products used.
This discussion has been closed.