There are a number of helpful Alerts that OpenShift is configured with, that fire when an issue is detected. However, there is not comprehensive documentation in a consolidated place to offer possible explanations/follow-up reading. While opening a support case and/or further troubleshooting is recommended, documentation on Alerts that are firing has the potential to provide a more streamlined customer experience, and improve Red Hat support operations (less strain on support, more proactive customer troubleshooting). 

4.13.z

Documentation does not have detailed guidance on what Alerts that are firing mean.

Documentation on Alerts that are triggered - what they mean, and why they may trigger. Possibly add links to more comprehensive information (Solutions Articles, for instance). 

There is some information about troubleshooting Alerts that are firing, here (though may not be an exhaustive list): 

https://github.com/openshift/runbooks