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Buly, I am not surprised to hear the fuel Map data is gone from your EM2. If you are having connectivity problems with between it and the EC2 then it has no way to refresh its Display data from the EC2. But, this does not necessarily means there is something wrong with the EC2.
It really sounds like you have a ground problem between your EC2 and aircraft power ground. I suggested taking a volt meter and connecting it between the ground terminal on the EC2 and your aircraft negative voltage terminal (yes, right at the battery). Turn on the EC2. If the volt meter shows any voltage then your ground is not what it should be. Another individual suggested simply taking a heavy (18 awg) wire and running it from your EC2 grounding post and the negative terminal of the battery.
If there is a poor ground on the EC2 that would explain why you can get a click when you manually ground the injectors, but not with the EC2 connected, because the EC2 would be unable to "pull" sufficient current through this poor ground - the voltage drop across a poor ground can amount to several volts - which would mean that voltage would not be available across the injectors.
But, you have not sufficient suggestions to last you the next week end as well. Hope you get it fixed soon, we want to see you flying again.
Ed
----- Original Message ----- From: "Bulent Aliev" <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Saturday, May 26, 2007 10:13 PM
Subject: [FlyRotary] EC2 saga
Today I spent couple of hours trying to guess what turned my flying airplane into a hangar Queen? Still could not find a thing wrong in the wiring. Except my mixture display bars are totally gone from the EM. Resetting them to factory setting did not do a thing? Tried manually changing them, no reaction? Next thing I'll check the injector output from the EC with the oscilloscope, but have no big hopes.
Buly
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