You can call in to get it deferred. Contact Customer Service
5am-9pm Pacific Time Monday - Sunday
Sounds like the IRS is taking too long to send your refund or reduced it. See What if the IRS reduces your refund or delays it.
Then when the IRS does send your refund they won't take the fees out again.
And, Why you got charged,
You should have received about 4 emails asking for the fees. If you don't pay they will debit your account. You had to agree to it.