We have had a long talk with our Rotax service center, they say that the failure in the ignition modules is a very well known issue and lots of engines are being affected by this disease, they even say that sooner or later every engine will show the problem up.
To the question about whether they offer a free replacement or discount on the parts they reject any responsability once the warranty ends.
Last saturday another airplane in our airfield started to show the very same problem.
Compared to the many tens of thousands of modules out on engines there have been darn few failures. They are pretty solid units for sitting in the heat and vibration all the time. Have there been a few bad ignition modules over the years? Yes, but they are man made and fail no more often then some things you have around the house. I just replaced my ECM in my Ford diesel truck last month for $1200. Electronics and for that matter any thing that is made can have issues. Look how many product re-calls there are in the world every single day. No one wants to have a bad part, but it can happen, but Rotax does not have a high mortality rate with the ignition modules.
Roger Lee LSRM-A & Rotax Instructor & Rotax IRC Tucson, AZ Ryan Airfield (KRYN) 520-349-7056 Cell
I have the same issue here with my Bristell, I have been going ctazy cjecking all sorts. Inread the heat response, tried it myself today and it starts beautifully.
I then allowed it to cool down, then no start, heated it again, it started first attempt.
so tested and proved. What is going on?
I do not want to carry a heat gun with me , remove the cowling and heat the cdi boxes,
surely both boxes have not started misbehaving all of a sudden and simultaneously.
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