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No egt indication

in General Tech Discussion 8 years ago
Hello everyone,
No. 2 EGT on my 582 started fluctuating big time, then no indication whatsoever. Did troubleshooting and decided it was a bad probe. Installed a new probe with no change. now the no.1, the good one started to fluctuate and now neither has any indication. I should add that I went from a B gear with 3 GSC 64" prop to a 3 GSC 68" on an E gear with 3.47:1. Your help and thoughts are appreciated.

  • Re: No egt indication

    by » 8 years ago

    [quote]When it absolutely makes no sense and it seems like magic is at play.... it is a ground issue![/quote]

    How did you come to the conclusion that it was a Bad Probe?
    Look closely at the wiring, and then look even closer.

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

      
    Report

  • Re: No egt indication

    by » 8 years ago

    I'm going with failing probe on this one.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
    Report

  • Re: No egt indication

    by » 8 years ago

    Could it be a bad new probe?
      
    Report

  • Re: No egt indication

    by » 8 years ago

    It is possible that you have had both probes fail in short order and that the replacement probe is also bad.
    If this turns out to be the case, I would avoid playing the lottery. You are extremely unlucky! :whistle:

    It is also possible that all the problems relate to one intermittent connection that has now failed hard.
    I will go with this option!

    The Probes are most likely common Type K Thermocouples.
    They will measure as a short (Zero Ohms) on a multimeter.
    They will measure as a millivolt source when heated to near 1000°.

    Test Them! Don't be surprised if all three probes test as good.

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

    Thank you said by: Aziz Musa
      
    Report

  • Re: No egt indication

    by » 8 years ago

    I will continue to troubleshoot and report.
      
    Report
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