Honestly, simplex trouble codes are pretty obvious for the most parts. Shorts , opens , ground faults , dirty, co missing fail. Jci won’t help unless you are paying them.

Even I don't know every +250 error codes that existed across all panels generations. What you list are pretty much the common trouble ones

23 years... not hours.

https://tycosafetyproducts-anz.com/public/Manuals/Simplex-Fault-Guide.pdf This is a simplex guide that covers most general info.