Well, you said you saw the first bar that it was received, so you know they did have it. That tool can be squirrely sometimes as your return moves around during processing.
Be sure you are entering correct info--SSN, filing status, and Federal refund amount. Be sure you are using only the Federal refund amount and not a total refund amount that includes a state refund. The amount to use is on your Federal Form 1040, Line 21a.
At the time I'm making this posting, that IRS tool is probably down right now. So perhaps they were doing something getting ready for maintenance. The IRS says "our system is not available every Monday from 12:00 am (Midnight) to 3:00 am Eastern Time. "
