From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: EC3 Coil Diagnostics
Date: Thu, 22 Aug 2019 07:12:57 +0800
References: <list-12870420@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-12870420@logan.com>
Message-Id: <EDEDB8D2-6D30-427E-B6FC-7FCADB59F86F@gmail.com>

That makes sense.
So after the engine rebuild, the engine didn=E2=80=99t run and the test =
function didn=E2=80=99t function either?
I=E2=80=99m in a situation where the engine runs but I cant access the =
coil diagnostic function.
Thanks for helping me think through my situation.

Steve

> On 22 Aug 2019, at 1:25 am, William Schertz wschertz343@gmail.com =
<flyrotary@lancaironline.net> wrote:
>=20
> When my plane was sold, the purchaser had the engine rebuilt and =
reinstalled in the plane. In the process of removal, the ground from the =
coils to the engine (direct) was cut, and then when the engine was =
returned from the builder, the stub wire on the oil-pan was no longer =
there, the result was that spark testing from the EC-2 did not work, no =
spark. After considerable diagnostics, we determined that the coil =
ground was missing, when put back in place, the unit worked as it =
should.
>=20
> On Tue, Aug 20, 2019 at 10:56 PM Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
> Thanks Rich. Helpful should it come to that.
> Just dont understand why the diagnostic which turns all coils on at =
3000 rpm is not working.
> I=E2=80=99ll have another go at it tomorrow.
>=20
> Cheers
>=20
> Steve
>=20
> > On 21 Aug 2019, at 10:18 am, A R Goldman argoldman@aol.com =
<flyrotary@lancaironline.net> wrote:
> >=20
> > Of course there is a simple way of testing for a small cost with no =
damage potential and that is to use an inductive automotive timing =
light. You just clip it around a high tension line with the plug screwed =
and torqued I place , crank the engine and watch the flash or lack =
thereof.=20
> >=20
> > Rich
> >=20
> > Sent from my iPhone
> >=20
> >> On Aug 20, 2019, at 7:32 PM, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
> >>=20
> >> Ah. Sorry Bobby, Yes realise now it was Bill who asked the question =
re coil ground.
> >> Thanks Bobby.
> >>=20
> >> Steve
> >>=20
> >>> On 21 Aug 2019, at 8:26 am, Bobby J. Hughes bhughes@qnsi.net =
<flyrotary@lancaironline.net> wrote:
> >>>=20
> >>> Steve,
> >>>=20
> >>> Was this question for Bill Schertz? =20
> >>>=20
> >>> Bobby=20
> >>>=20
> >>>=20
> >>>=20
> >>> Sent from my iPad
> >>>=20
> >>>> On Aug 20, 2019, at 6:28 PM, Stephen Izett =
stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
> >>>>=20
> >>>> Why is that Bobby?
> >>>> I=E2=80=99m trying to remember how I routed the negative to the =
coils. I know the suppressor capacitors go direct to gearbox plate.
> >>>> Steve
> >>>>=20
> >>>>> On 21 Aug 2019, at 2:22 am, William Schertz =
wschertz343@gmail.com <flyrotary@lancaironline.net> wrote:
> >>>>>=20
> >>>>> Check that the Coils are grounded TO THE ENGINE (DIRECT)
> >>>>>=20
> >>>>> On Mon, Aug 19, 2019 at 8:27 AM Bobby J. Hughes bhughes@qnsi.net =
<flyrotary@lancaironline.net> wrote:
> >>>>> It happened during initial ground runs and troubleshooting. This =
is
> >>>>> being made public knowledge for a friend:)=20
> >>>>>=20
> >>>>> Bobby
> >>>>>=20
> >>>>> -----Original Message-----
> >>>>> From: Rotary motors in aircraft =
[mailto:flyrotary@lancaironline.net]=20
> >>>>> Sent: Monday, August 19, 2019 9:07 AM
> >>>>> To: Rotary motors in aircraft
> >>>>> Subject: [FlyRotary] Re: EC3 Coil Diagnostics
> >>>>>=20
> >>>>> Booby are you postulating what might happen, or did this =
actually happen
> >>>>> to you? - The HT fried the processors!
> >>>>>=20
> >>>>> Steve
> >>>>>=20
> >>>>>> On 19 Aug 2019, at 9:42 pm, Bobby J. Hughes bhughes@qnsi.net
> >>>>> <flyrotary@lancaironline.net> wrote:
> >>>>>>=20
> >>>>>> Just make sure to position / secure the plugs so than cannot =
fall off
> >>>>> the engine and into the wiring harness during the test.   It =
does not
> >>>>> end well for the controller.=20
> >>>>>>=20
> >>>>>> Bobby
> >>>>>>=20
> >>>>>>=20
> >>>>>> -----Original Message-----
> >>>>>> From: Rotary motors in aircraft =
[mailto:flyrotary@lancaironline.net]=20
> >>>>>> Sent: Monday, August 19, 2019 8:21 AM
> >>>>>> To: Rotary motors in aircraft
> >>>>>> Subject: [FlyRotary] Re: EC3 Coil Diagnostics
> >>>>>>=20
> >>>>>> This is what the manual says:
> >>>>>> "Remove all the spark plugs from the engine (or connect the =
plug wires
> >>>>>=20
> >>>>>> to spare plugs) and lay them on the engine where you can see =
the spark
> >>>>>=20
> >>>>>> gaps. Make sure the body of the plug is in contact with =
something=20
> >>>>>> grounded to the engine. Now put the Mode switch in Mode 8 and =
press
> >>>>> the=20
> >>>>>> Store switch. This puts the EC3 in ignition diagnostic mode and =
fires=20
> >>>>>> all the coils as if the engine were running at about 3000 RPM. =
You=20
> >>>>>> should see all plugs firing. To end this diagnostic mode, =
change the=20
> >>>>>> Mode switch selection or cycle the power off on the EC3."
> >>>>>> (EC3-A8 13B ENGINE CONTROLLER 07-30-13 INSTALLATION AND =
PROGRAMMING=20
> >>>>>> GUIDE 2008 series)
> >>>>>>=20
> >>>>>> Sure you've got +12V power to the coils?
> >>>>>> Are the coils properly grounded?
> >>>>>> Coils wired correctly to EM3?
> >>>>>> Note the different coil pin-outs from brand to brand.
> >>>>>>=20
> >>>>>> If yes, I guess you'll have to inspect the program code.
> >>>>>>=20
> >>>>>> Finn
> >>>>>>=20
> >>>>>>> On 8/19/2019 8:46 AM, Stephen Izett stephen.izett@gmail.com =
wrote:
> >>>>>>> Hi Guys
> >>>>>>>=20
> >>>>>>> For those of you with EC3???s.
> >>>>>>> I wanted to check all coils were firing yesterday so plugged =
the
> >>>>> leads into plugs laying on the top of the engine.
> >>>>>>> I tried to enter the coil diagnostic with Mode 8 and pressing =
Store.
> >>>>> I got nothing.
> >>>>>>> So I checked the injector diagnostic Mode 1 Cold Start plus =
Store and
> >>>>> the injectors all lit up.
> >>>>>>> Am I missing/forgetting/Misreading the manual or something =
else?
> >>>>>>>=20
> >>>>>>> Cheers
> >>>>>>>=20
> >>>>>>> Steve Izett
> >>>>>>>=20
> >>>>>>>=20
> >>>>>>> --
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