I think you have answered your own question. If the box feels hot then the fan is probably not working. I don't know of any show command, including show tech-support which will give the temperature of the box.
If the rest of your equipment is ok and the server room temperature is normal, then you should backup the configuration before the box has a thermal breakdown. Send it back to Cisco for replacement if you have a service contract.
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
Check the current version availa...
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...