TV515 Startup Error: “Failed to connect from get() / pandar.cgi”

Applies to

  • Product: TrueView® 515 (TV515 / TV515vB)
  • Firmware: v2.2.0‑21
  • Interface: Sensor Web UI

Overview

Some users may encounter a red Error banner in the TV515 web interface during startup with messages similar to:

Failed to connect from get()
NOT_OK: /pandar.cgi?action=get&object=device_info
Nonstandard firmware termination

This article explains what the message means and outlines recommended steps to recover the system.


What this error means

This message indicates that, during startup, the system controller was unable to communicate with the onboard LiDAR service. As a result, the firmware halted initialization and attempted to restart.

In most cases, this condition is temporary and related to startup state rather than a hardware failure.

Common contributing factors include:

  • Power being removed without using the Shutdown option
  • A temporary service hang during boot
  • Storage or USB initialization issues at startup

Recommended resolution steps

Follow the steps below in order.

1. Perform a proper shutdown and power cycle

  1. Connect to the sensor web interface.
  2. Select Shutdown.
  3. Wait until the system has fully powered off.
  4. Remove power from the sensor.
  5. Leave the unit unpowered for at least 30 seconds.
  6. Reapply power and allow the system to complete its startup sequence before reconnecting.

Important: Always use the Shutdown button before disconnecting power to avoid startup issues.

2. Verify storage status after restart

Once the system has restarted, check the Storage section of the web interface:

  • Confirm External USB Storage (UMS) is detected
  • Ensure there is no Pending transfer
  • Verify the correct Target storage is selected

Storage initialization problems can prevent system services from starting correctly.

3. Confirm whether the error clears

  • If the error banner does not return, no further action is required.
  • If the error reappears immediately after reboot, continue to the next step.

4. Collect diagnostics and contact support

If the issue persists:

  1. Use the system status log in the Web UI to verify any errors or warnings.
  2. Locate any generated debug.log or system.log files on the device or USB storage
  3. Download the debug or system diagnostic logs.
  4. Contact GeoCue Support and provide:
    • The log files
    • Sensor serial number
    • Firmware version
    • A brief description of when the error occurs

These logs allow support to determine whether a firmware reinstallation or additional corrective action is needed.


Additional notes

  • Repeated occurrences after clean shutdowns may require firmware service or update guidance from Support.
  • Do not attempt firmware recovery or reinstallation unless directed by GeoCue Support.

Summary

This error typically indicates a temporary startup communication issue between the system controller and the LiDAR service. In most cases, a proper shutdown followed by a full power cycle resolves the problem. If the condition persists, collecting diagnostics and contacting GeoCue Support is the recommended next step.

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