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 14:01:33 +0800
References: <list-12871362@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-12871362@logan.com>
Message-Id: <DE21F94F-0476-4483-809B-3C386E3870DA@gmail.com>

Hi all.

Having done further testing this morning (replaced head unit and checked =
wiring) with no joy I will remove the EC3 and install our EC2 which =
previously had a functioning coil diagnostic routine.

The other thing that currently is not functioning on ther EC3 is the =
Autotune.=20
Now I do recall Autotune functioning but I cant remember if this was =
when I had the EC2 installed or after swapping it out for the EC3.
I shall find out when I get a moment to head down to the airfield.

And Bill, I checked my wiring on the D585 coils and I have earthed them =
directly to the gearbox adapter plate.

Cheers
Steve Izett


 =20

> On 22 Aug 2019, at 7:12 am, Stephen Izett stephen.izett@gmail.com =
<flyrotary@lancaironline.net> wrote:
>=20
> 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.
>=20
> Steve
>=20
>> 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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>>>>>>>>=20
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>=20
>=20
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