Image Problem - Orange And Now Green Nighttime Hue

We have an interesting situation where our Sony SNCRZ25N and Sony SNCRX550N cameras began giving off a very distracting orange hue.

This is not impacting all of our Sony cameras and there is no similar condition being exhibited with our Panasonic, Axis or Pelco cameras. I have contacted Sony and the suggestion was to change the White Balance setting from "one push" to "ATW". All this setting change did was change the orange hue to similarly distracting green hue. According to Sony engineer, there have been no firmware updates and we have not changed anything within our OnSSi VMS.

Any suggestions to correct the problem would be greatly appreciated.

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