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Kiosk Diagnostics & Troubleshooting

This guide provides steps for resolving technical issues encountered while running Vritti Lens kiosks.

Common Issues & Solutions

Issue 1: Face Not Recognized

  • Symptom: Employee stands in front of camera, but screen displays “Face Not Recognized”.
  • Possible Causes:
    • Employee has not completed initial face profile enrollment.
    • Lighting environment is too dark or backlit.
    • Camera lens is smudged or dirty.
  • Resolution:
    1. Clean the front camera lens with a microfiber cloth.
    2. Verify that staff face vector profile is active in Vritti Console.
    3. Re-enroll employee face profile via Vritti People or Console if facial appearance has changed significantly.

Issue 2: Offline Queue Not Flushing

  • Symptom: Cloud icon remains orange with pending queue count despite Wi-Fi connection.
  • Resolution:
    1. Tap the top-right gear icon and enter your Admin Security PIN.
    2. Check Network Diagnostic Status.
    3. Click Force Sync Now.
    4. If sync fails, verify that tablet clock time matches server time (NTP time synchronization).

Issue 3: Camera Stream Black or Frozen

  • Resolution:
    1. Close the app and re-launch.
    2. Ensure no other application (e.g. tablet device management software) is holding camera access.
    3. Restart the Android tablet.

Accessing the Admin Diagnostic Menu

To access internal device settings:
  1. Tap and hold the top title bar of Vritti Lens for 3 seconds.
  2. Enter the Admin PIN set during initial pairing.
  3. Access diagnostic options: Re-sync Face Database, Test Audio Output, Force Sync Queue, and Unpair Device.