From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] EC3 Coil Diagnostics
Date: Wed, 21 Aug 2019 12:35:27 +0800
References: <list-12863167@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-12863167@logan.com>
Message-Id: <68391397-A461-4DEA-B668-AD2C87594E57@gmail.com>

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.

Cheers

Steve

> 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
>>>>>>> --
>>>>>>> Homepage:  http://www.flyrotary.com/
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