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Re: Europa-List: Rotax 914 yellow caution light blinking

Subject: Re: Europa-List: Rotax 914 yellow caution light blinking
From: Matthew Carpenter <europaxs@gmail.com>
Date: Sun, 2 Jun 2013 21:08:02
Yes, sure was.

Found that the throttle was not calibrated like it should have been.  
Once we knew the positions 110%,100%,75%,65%,etc.. we marked them on the 
throttle.
No issues after that.


On Jun 2, 2013, at 2:09 PM, Jerry Rehn <rehn@rockisland.com> wrote:

> Thanks Matthew, was your light behaving like mine?
> Jerry
> 
> Sent from my iPad
> 
> On Jun 2, 2013, at 11:25 AM, "Matthew Carpenter" <europaxs@gmail.com> 
wrote:
> 
>> You can rent the dongle from Lockeeood for around 50$ (we rented it 
about 8 years ago so price might have gone up). 
>> 
>> =8BWell worth it!  Within 15 mins I knew what was wrong and 
recalabrated the throttle. 
>> 
>> Matt Carpenter 
>> =94
>> Sent from Mailbox for iPhone
>> 
>> 
>> On Sun, Jun 2, 2013 at 12:04 PM, Jerry Rehn <rehn@rockisland.com> 
wrote:
>> 

>> 
>> The yellow caution light is blinking. The warning lights come on and 
go off as they should when the tcu is powered up, the waste gate cycles 
thru properly at startup as well. With the engine running the yellow 
light is not blinking at idle but starts to blink at about 2300 rpm and 
continues as rpms rise, go below 2300rpm and the light goes out. With 
the engine off and the turbo powered up the yellow light also is off at 
idle throttle setting and if I advance the throttle the light starts 
blinking and will stop as I pull back. So it seems that the throttle 
sensor is sending a signal to the tcu as it moves. But what is the 
issue? Sensor, tcu, other. 
>> This issue just started on its own. So, the rotax folks would like me 
to remove the tcu and send it in for diagnoses. Anybody had this issue? 
I have searched this and have seen it discussed but the threads just end 
with no resolution, so I know I'm not alone out there. 
>> Also the turbo is working and does boost the engine but I pretty sure 
it is adding boost too soon for the throttle setting which also points 
to the throttle sensor. 
>> Lastly my tcu is of the old type 4.5 which needs the dongle to talk 
to a pc in dos! So I can't plug in my pc and test it myself. Anybody 
know if a dongle is available and software? Maybe Lockwood or? 
>> Regards 
>> Jerry 
>> 
>> Sent from my iPad ============= 
">http://www.matronics.com/Navigator?Europa-List ronics.com 
www.matronics.com/contribution 
>> 
>> 
>> 
>> 
>> 
> 
> 
> 



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