Be sure you have waited at least 24 hours after learning your efiled return was "accepted" before using the IRS WMR tool.
You mention getting an email, and you said you have already confirmed at the Tax Home page of your app that your efiled return was accepted. So it was indeed accepted, here's some tips on using the IRS WMR tool:
When using the IRS WMR tool, be sure the SSN and filing status you enter are correct.
https://www.irs.gov/Refunds
Use only the Federal refund amount. Do not use any combined total refund figure that includes the state refund.
Look at your actual 2019 return to get the Federal refund amount. Be sure you are using what is displayed on your Federal Form 1040, Line 21a for the Federal refund amount.
