Once the state releases the refund it can take a couple of days for your bank to acknowledge and post it ...
When you log into your account, what is showing
for the "return status" for the state return? Does
it say accepted, rejected, started, incomplete, printed, or ready to mail?
If you efiled, does the state return status show up in this tool?
If it was accepted, then here's how to track the state refund: