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Tap to pay failures

Fix tap payments not working.

Updated Feb 9, 2026

Overview

Payment issues typically come from MDB wiring, reader configuration, or settlement mismatches. Fix tap payments not working.

Diagnostics

  • Inspect MDB harness and pins for damage.
  • Verify reader configuration and enablement.
  • Compare transaction logs to settlement reports.

Resolution steps

  • Reseat harnesses and confirm power levels.
  • Reprovision reader settings and test small transactions.
  • Contact processor support if settlements mismatch.

Preventive maintenance

  • Perform a monthly test vend on each reader.
  • Keep firmware and software versions documented.
  • Review payout schedules with accounting.

When to contact support

  • Issues persist after a controlled test and documented settings.
  • Errors repeat across multiple machines or locations.
  • You need replacement parts or manufacturer diagnostics.

Need parts or service? Visit /services or contact /contact for help.

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