RLC 000629.12 – Control Software, Internal Error (Watchdog)

RLC 000629.12 (RLC 629.12)

Code: 000629.12

Shortcode: 629.12


This error code indicates that a watchdog fault occurred during the software launch of the control software. A watchdog fault typically points to an issue where the software fails to initialize within the expected time frame, potentially due to software bugs or hardware issues.


When this error is detected, the control software may experience limited or no functionality, leading to reduced performance or failure of specific electronic control systems within the equipment.


  • Restart Control Unit:
    • Restart the control unit to see if the error resolves. This can sometimes clear transient issues during the software launch.
  • Update Software:
    • Ensure that the control software is up-to-date with the latest firmware. Updates often include fixes for watchdog faults and other launch issues.
  • Inspect Watchdog Timer:
    • Check the functionality of the watchdog timer circuit. Replace or repair if necessary.
  • Verify System Resources:
    • Ensure that the system has adequate resources (memory, CPU) to run the control software without delays.
  • Consult Technical Support:
    • If the issue persists, contact technical support for further diagnostics and assistance.


Watchdog faults can be indicative of underlying issues that need prompt attention to ensure reliable operation of the control software.

Control Units: John Deere

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