If my return was accepted in March and turbo website states it's been paid but I haven't received my refund what's my next step??I checked irs site and got notice 151

I have started getting my child tax credits through direct deposit but no refund. I can't get anyone on the phone with the IRS so I'm confused on what my next step is.i haven't received any information from the IRS save topic 151 and take action.