Hopefully you find the issue Patrice. Also there was lots of talk on the Ukrainian forums about bad components, even from reputable suppliers like Farnell.
Also, probably not relevant for us in Australia, there was an interesting bit of information on the Ukrainian forums:
Quote:
Also I looked at the manual chip in the camera and thermal modes of operation - was saddened that our AD811 opamp in SOP package should work just above 0 degrees, but in DIPe can and red, and he is afraid of statics.
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Basically the opamp AD811 in SOP package does not works under 0 degrees C. The same opamp in other packages work fine below zero. Interesting...