Nayax Card Reader Troubleshooting Guide for Vending Machines

Complete Nayax Error Codes and Troubleshooting Guide

V00: No Communication

  • Meaning: No communication between the machine and the Nayax device.
  • Solutions:
    1. Technician Mode: Enter Technician Mode on the card reader (password: 123123 or 8 ).
    2. Factory Reset: Perform a factory reset via the reader menu.
    3. Default Parameters Reset: Use the Nayax web application to reset default parameters.
    4. Inspect Cables: Ensure MDB cables are securely connected and undamaged.
    5. Contact Support: If unresolved, consult VapeTM or Nayax support​.

V01: MDB Configuration Issue

  • Meaning: MDB settings are misconfigured.
  • Solutions:
    1. Access MDB Settings: Use the Nayax web portal to verify MDB settings.
    2. Select “06 Ignore Pre-Selection”:
      • Save settings and initiate an update via the Update Queue.
    3. Restart Machine: Unplug the machine for 3 minutes, then reconnect power.
    4. Check Firmware: Update the vending machine and Nayax firmware.
    5. Contact Support: If unresolved, consult VapeTM support​.

V02: Cashless Payments Disabled

  • Meaning: The machine sent a “Reader Disable” command due to a communication issue.
  • Solutions:
    1. Restart the Machine: Power off for 3 minutes and then power back on.
    2. Enable Reader: Re-enable cashless functionality via the Nayax web application.
    3. Inspect SIM Card: Reseat the SIM card and verify proper installation.
    4. Contact Support: Contact VapeTM Support for troubleshooting​.

M01: MDB Device Not Responding

  • Meaning: The card reader cannot communicate with the vending machine controller.
  • Solutions:
    1. Check Connections: Inspect all MDB cables for secure connections and damage.
    2. Restart Machine: Power cycle the vending machine.
    3. Configure MDB Settings: Use the Nayax portal to verify MDB Level 3 settings.
    4. Firmware Update: Update firmware on both the machine and the Nayax reader.
    5. Contact Support: Reach out to VapeTM or Nayax support.

M02: Reader Disabled

  • Meaning: Communication is blocked due to an MDB misconfiguration.
  • Solutions:
    1. Enable Reader: Re-enable the reader in the Nayax portal.
    2. Power Cycle: Restart the machine to reset connections.
    3. Inspect Hardware: Check and reseat the MDB cable.
    4. Contact Support: Contact VapeTM or Nayax support if the issue persists.

RSSI Signal Strength Issues

  • Indicator:
    • 99 RSSI: No communication.
    • RSSI < 18: Poor signal strength.
  • Solutions:
    1. Check Antenna: Ensure the antenna is securely connected to the reader.
    2. Upgrade Antenna: Install a high-gain antenna if signal strength is weak.
    3. Inspect SIM Card: Reseat the SIM card, ensuring proper alignment.
    4. Monitor Signal: Use the Moma App or Nayax web portal to view RSSI history and fluctuations.
    5. Contact Support: If unresolved, VapeTM can assist with carrier changes or SIM replacement​​​.

Cash Only Display

  • Meaning: The device is set to accept only cash transactions.
  • Solutions:
    1. Enable Cashless: Verify that cashless settings are enabled in the Nayax portal.
    2. Inspect Network: Check RSSI signal strength and ensure a stable connection.
    3. Hardware Check: Confirm all MDB and antenna connections are secure.
    4. Restart Machine: Power cycle the vending machine.
    5. Contact Support: If unresolved, consult Nayax support.

General Troubleshooting for MDB Level 3 Vending Machines

MDB (Multi-Drop Bus) Level 3 is a standard for communication between vending machines and peripherals. Here’s how to maintain compatibility and performance:

Check Compatibility:
Ensure both the vending machine and Nayax reader support MDB Level 3.
Verify Settings:
Use the Nayax portal to confirm correct MDB configurations.
Inspect Physical Connections:
Check MDB cables for proper installation and signs of damage.
Update Firmware:
Regularly update firmware on both the vending machine and the Nayax device.
Monitor Error Logs:
Use the Nayax web portal to view detailed error logs for diagnostics.
Perform Signal Tests:
Regularly test RSSI signal strength using the Moma App or Nayax reader menu.

Best Practices

  • Proactive Maintenance: Regularly inspect connections and monitor device status via the Nayax portal.
  • Stay Updated: Keep firmware up-to-date to ensure seamless operation.
  • Training Resources: Refer to Nayax’s online manuals and VapeTM’s training videos for setup and maintenance.
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2 comments

If you have a VapeTM Vape Tower, make sure you use the 6-foot Nayax High Gain antenna! The 3-foot antenna cord is not long enough and only works on the slim and mega wall mounts.” Nevertheless, the high gain antenna pole gives me a 3+ RSSI boost and VapeTM gave them to me for free!

Luke vonder

This is better than Nayaxs trouble shooting guide!

Micah

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