Yes, if you do not want to pay the balance because the calculation is in error, continue calling about payment extensions in order to avoid further action.
It would be best to resolve the situation over the phone with the IRS, if possible. They can be contacted Monday through Friday 7 am - 7 pm at 1-800-829-1040.
It may be useful to contact the IRS Taxpayer Advocate Service for further support.
For more information about taxability of scholarships, see: Are my scholarships, fellowships, or grants taxable?
