Payment terminal refuses transactions or shows time-mismatch errors.
PSP terminals rely on synced clocks for certificates and end-of-day batches. A few minutes of drift can already block transactions.
support/pos-retail/pin-terminal-tijdsync-issuessteps: 4
Try this first
- Check date and time on the terminal itself
- Power-cycle terminal and wait for network time sync
- Rule out router NTP block via firewall logs
- Close and reopen the end-of-day batch
When to bring us in
Drift keeps coming back: terminal may have a certificate or clock-battery issue, RMA through your PSP (CCV, Worldline, Adyen).
See also
- Lightspeed Retail or K-Series?Retail is for SKU-driven shops with e-commerce, K-Series is for hospitality.
- Is MplusKASSA right for my shop?Dutch vendor, strong for multi-store retail with solid accounting integration.
- Cloud POS or local only?Cloud needs reliable internet plus 4G failover, local-only loses multi-store sync.
None of the above fits?
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