Image type problem

Dear all,
I've modified the threshold example for a single U16 image of cells, which, while running and changing the threshold values, shows the original example, the thresholded example, as well as to histographs for both images.
However, somewhere, something goes wrong with the image type and the thresholded image never shows the way it should. I have been working on this for days, but I still can't find the problem. Can anyone tell me what I am doing wrong?
Thanks in advance.
J
Attachments:
SubVI5 v1.vi ‏98 KB

The problem is that the thresholded image is completely white, with only two very small blots of black. Also, the image doesn't change upon changing the threshold value. Finally, the histogram shows weird values.
I expect it must have something to do with the image types used throughout the VI..
Attachments:
subVI 5 image.JPG ‏110 KB

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