It’s probably a virus embedded in the software from a component they outsourced from China. Isn’t it sad that something I totally made up might make you wonder?
The same (or very similar) OBOGS is also used on the F/A-18, and they have had similar problems.
I know it’s heavier, but an oxygen bottle is more reliable, and they make bottles out of fiber, now.
I think the Aviator O2 is cleaner. I’ve always been suspicious of generated O2.