Understanding Cash Only Error Codes: V00, V01 & V02
Nayax device showing Cash Only or Cashless Out of Order? Identify your error code - V00, V01, or V02 - and follow the step-by-step guide to restore cashless payments via Nayax Core or MoMa.
General
How to Use This Guide
Each Cash Only error code has a different root cause and a different fix. This page helps you identify the right code and directs you to the dedicated troubleshooting guide for that error.
If you have already resolved your issue or are not sure which code applies, use the quick reference table further down this page to compare all three error codes at a glance.
Select your error code
No Signal
VMC-Side
Reader Off
What to Expect in Each Guide
A plain-language explanation of what is happening between your Nayax device and the vending machine.
A list of the conditions that typically trigger this error, so you can work from most to least likely.
Numbered steps with platform options where relevant -- Nayax Core Management Suite, MoMa, or the POS device directly.
Clear guidance on when to contact Nayax Support or your machine manufacturer if self-service steps do not resolve the issue.
Quick Reference: V00, V01 & V02 at a Glance
| Code | What it means | Primary cause | First fix to try | Guide |
|---|---|---|---|---|
| V00 | No MDB signal from the vending machine to the Nayax device | Wrong or faulty cable; cashless not enabled on VMC board; wrong protocol on device | Check and reseat VMC and MDB cables | Open guide › |
| V01 | MDB connection inactive, waiting for VMC initialization | VMC not completing startup sequence; MDB Flags not set correctly | Set MDB Flags to 06 Ignore + Pre Selection | Open guide › |
| V02 | VMC issued READER DISABLE; cashless payments blocked | Open machine door; service mode active; pending cash credit; board fault | Close door, clear cash credit, restart the machine | Open guide › |
FAQ
FAQ
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