On 21 Aug 2019, at 2:22 am, William Schertz wschertz343@gmail.com <flyrotary@lancaironline.net> wrote:

Check that the Coils are grounded TO THE ENGINE (DIRECT)

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:) Bobby

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] Sent: Monday, August 19, 2019 9:07 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: EC3 Coil Diagnostics

Booby are you postulating what might happen, or did this actually happen
to you? - The HT fried the processors!

Steve

> On 19 Aug 2019, at 9:42 pm, Bobby J. Hughes bhughes@qnsi.net
<flyrotary@lancaironline.net> wrote:
> > 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. > > Bobby
> > > -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] > Sent: Monday, August 19, 2019 8:21 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: EC3 Coil Diagnostics
> > This is what the manual says:
> "Remove all the spark plugs from the engine (or connect the plug wires

> to spare plugs) and lay them on the engine where you can see the spark

> gaps. Make sure the body of the plug is in contact with something > grounded to the engine. Now put the Mode switch in Mode 8 and press
the > Store switch. This puts the EC3 in ignition diagnostic mode and fires > all the coils as if the engine were running at about 3000 RPM. You > should see all plugs firing. To end this diagnostic mode, change the > Mode switch selection or cycle the power off on the EC3."
> (EC3-A8 13B ENGINE CONTROLLER 07-30-13 INSTALLATION AND PROGRAMMING > GUIDE 2008 series)
> > 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.
> > If yes, I guess you'll have to inspect the program code.
> > Finn
> > On 8/19/2019 8:46 AM, Stephen Izett stephen.izett@gmail.com wrote:
>> Hi Guys
>> >> 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?
>> >> Cheers
>> >> Steve Izett
>> >> >> --
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