Initiate a trace. 

https://www.irs.gov/faqs/irs-procedures/refund-inquiries/refund-inquiries-0#:~:text=How%20do%20I%20get%20a%20new%20one%3F&text=If%20you%20lost%20your%20refund,trace%20using%20the%20automated%20systems.

"There's no problem with my account number for direct deposit."

First review again all your bank statements since the date you e-Filed.

You should have received a direct deposit within two to three weeks after e-File ACCEPTED.

Where's my refund page will tell you what dates to look at.

@juelinw