@jeeffi79 C30 is definitely one of the dumber error codes they could come up with. It is totally generic and “[br]
A repair is only required if the system message keeps reappearing.” Anyhow you could try a hard reset. Foir that you simply push and hold the Home Button for more than 3 seconds. For other resets you would have to have access to the menu "Menu" > "Settings" > "Factory Reset". See what that does.