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  1. #11
    Mine has a damaged spot on the white / red wire. The insulation has a spot that is peeled off, not sure if it got to the wire or some of the wires?


  2. #12
    martincom's Avatar
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    Your question is not clear.

  3. #13
    https://s.amsu.ng/1v6fniFaXeoN

    Let me know if you are able to see this video of what I got going on.

    Thanks

  4. #14
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by rsmartin5 View Post
    https://s.amsu.ng/1v6fniFaXeoN

    Let me know if you are able to see this video of what I got going on.

    Thanks
    The white/red ‘injector voltage’ wires will only have useful voltage measurements when the engine is cranking or running. White/red does not get power from the battery.

    All the voltage on white/red, including the capacitor voltage, is generated from the spinning (cranking) flywheel creating AC voltage in the five magneto stator coils (into the 12-pin connector at EMM), which the EMM then converts to a high DC voltage (8-pin EMM connector).

    If the Ficht system is working properly there should be more than 20 volts DC on white/red wires when cranking, and that voltage on white/red jumps up to about 45 volts when the engine actually starts running.

  5. #15
    So the white / red wires I'm testing are the correct wires, but I need to be turning the engine over to get the 20+ volts

  6. #16
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by rsmartin5 View Post
    So the white / red wires I'm testing are the correct wires, but I need to be turning the engine over to get the 20+ volts
    Yes

  7. #17
    Thank you, I will send a video tomorrow

  8. #18
    https://s.amsu.ng/B5z30IkSlnWN

    Let me know if this video works. Please update.

  9. #19
    martincom's Avatar
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    Your video was playable. The DC voltage was low at first and I would consider that normal as the large capacitor was charging. It appeared to have reached 19.0 volts and then the meter only displayed a single "1". I'm going to speculate that is because the voltage had over ranged the meter setting. The meter was set on the 20 VDC scale. It would be nice to know if it can maintain 20+ VDC. So I would re-run the test with your meter set for the next higher range.

  10. #20
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by rsmartin5 View Post
    Voltage rise rate looks slow to me.

    White/Red wire DC voltage should jump to something over 20 volts in the first second or two after the start button is pressed. When working properly these Ficht engines start up pretty quickly, and the injector voltage needs to be go up really quickly to do that.

    I did not hear the Ficht fuel injector solenoid clicking sound, which suggests the EMM may not be even trying to start the engine. Which means there is minimal electrical load on the white/red wire. And the voltage rise is still too slow.

    Weak voltage coming from the EMM power section = EMM problem, stator problem, or flywheel magnet problem, or slow cranking RPM.

    Cranking RPM sounded reasonable to my ears. What does the MFI digital tach say it is cranking at?

    Note how quickly this Virage TXi Ficht 1200 starts.


    Example of how quickly each Ficht stator coil delivers full AC voltage.
    The five separate stator coil outputs are electrically ‘stacked’ by the EMM power section to create the necessary 23ish volts DC used to power the Ficht fuel injectors.

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