Thanks for the help! I turned it on off/reset and the turned off the switch at the batteries ( I assume this is the same as disconnecting them as it opens the negative line). I gave it 45seconds then turned the switch back and put it on cool down/stop and the screen came up but the buttons still...
Referencing -> thread237-464315
As similar to the thread above (there was never a follow up about it so it didn't help me), I have a CAT generator with an EMCP II Control Panel. It seems to work fine, but none of the buttons do anything. The phase select or meter read or fault buttons do...