After you file

You can check your state efile status here ….    https://turbotax.intuit.com/tax-tools/efile-status-lookup/ 

If it was successfully filed then only the state can tell you what is happening ....

Where's My Refund? - Check Your North Carolina State Tax Refund Status

If you efile a North Carolina state tax return, your refund may be processed in as little as a week. It may take 8 weeks to process your refund if you filed your NC return on paper. The state pays interest on any refunds which are not received within 45 days of the date the return was accepted, or April 15, whichever is later.

Check your own NC state tax refund status now.