Stopping Preauthorized ACH Transfers or Reporting Errors for ACH Transactions. To stop payment of a preauthorized ACH transfer to or from any of your Accounts, to ask whether we have received a direct deposit, to report ACH errors, and to ask other ACH questions, you may do the following: Call us at: 000-000-0000 or Toll-free at 000-000-0000 BECU phone business hours Monday-Friday, 7 a.m.-7 p.m. Pacific Time Saturday, 9 a.m.-1 p.m. Pacific Time