Help, I need a control board for Harman PP38+ .................

MCPO Posted By MCPO, Nov 19, 2011 at 2:29 PM

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  1. MCPO

    MCPO
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    May 1, 2008
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    .............or at least i think i do.
    The feed rate dial is not responding as accurately as it always did. It`s not dependable with regards to making contact , kind of like something is loose. I have to jiggle it slightly sometimes to get it to respond when i change the setting.
    I`m not sure if a contact spray will be effective or not or if i can get into that control so i`m not holding out a lot of hope.
    It`s working presently but this seemingly minor problem started last winter and hasn`t changed any and maybe i should have a new board on hand.
    Anyone familiar with this issue and is there a quick fix or do I have to find a Harman dealer to obtain the a board?
    Oh yeah, it`s a manual start, no igniter.
    Thanks.
     
  2. lbcynya

    lbcynya
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    Oct 26, 2006
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  3. MCPO

    MCPO
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    May 1, 2008
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  4. gfreek

    gfreek
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    Nov 5, 2010
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    How old is your stove? Let us know how you make out.
     
  5. MCPO

    MCPO
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    Ibcynya hit it right on the nose. It`s a potentiometer on it`s way out. I ordered both pots, one for the fan speed and one for the feed rate. While I have it apart I`ll change em both. For $16 it`s gonna be a cheap and easy fix.
    This will be the only repair ever done on the stove.
     
  6. tony58

    tony58
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    Jan 23, 2011
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    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
    Where are the potentiometer located on the P38.I have a P38 I'm just thinking ahead...
    Thanks,
    Tony
     
  7. MCPO

    MCPO
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    May 1, 2008
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    On my PP38+ they are located on the circuit board which is directly behind the feed rate/blower panel on the side of the stove. Remove the 2 screws and the panel pulls down but be careful as the leads are short.. It might be best to remove some rear and side sheet metal to better access the wires/wiring and the control panel (circuit board).
     
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