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

Subject: Re: Europa-List: Rotax 914 yellow caution light blinking
From: Jerry Rehn <rehn@rockisland.com>
Date: Sun, 2 Jun 2013 12:09:42
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 recalabr
ated 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 of
f as they should when the tcu is powered up, the waste gate cycles thru prop
erly at startup as well. With the engine running the yellow light is not bli
nking at idle but starts to blink at about 2300 rpm and continues as rpms ri
se, go below 2300rpm and the light goes out. With the engine off and the tur
bo 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 m
oves. But what is the issue? Sensor, tcu, other. 
> This issue just started on its own. So, the rotax folks would like me to r
emove the tcu and send it in for diagnoses. Anybody had this issue? I have s
earched this and have seen it discussed but the threads just end with no res
olution, so I know I'm not alone out there. 
> Also the turbo is working and does boost the engine but I pretty sure it i
s adding boost too soon for the throttle setting which also points to the th
rottle sensor. 
> Lastly my tcu is of the old type 4.5 which needs the dongle to talk to a p
c in dos! So I can't plug in my pc and test it myself. Anybody know if a don
gle is available and software? Maybe Lockwood or? 
> Regards 
> Jerry 
> 
> Sent from my iPad 
> 
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