Thank you for the report. I'm sorry to say that there is a known problem with using the image filters via scripting. It's being worked on in McIDAS-V inquiry 1338 (http://mcidas.ssec.wisc.edu/inquiry-v/?inquiry=1338).
I think i figure it out. As i just wanted to highlight areas with the presence of pixels of Image1 in range 0 - 233 and image2 in range 0 - 225. I applied a mask to image one and then I multiplied by a mask of image2, Like this: