I am experiencing a significant issue with my L75 machine. It encountered a major fault today and was reset before I could retrieve the fault code. After operating for approximately three hours, it triggered the fault again, and I managed to capture an image of the error message. Could anyone assist me in decoding this fault? Thank you!
KB 278692 addresses the Type 1 Code 60 error, indicating that your processor has identified a significant fault and has subsequently cleared both the project and user memory. There are multiple potential causes for this issue, but it's important to note that a program error is unlikely to be the culprit. The problem is more likely to stem from hardware malfunctions or power-related issues. Let's begin with some straightforward troubleshooting steps: Have you experienced any power surges? Consider relocating the processor to a different rack to determine if the fault follows it. Additionally, if you have a backup power supply available, try swapping it out in the current rack to see if that resolves the issue. Implement these suggestions and monitor the results for any improvement.
For more information on troubleshooting, visit [Rockwell Automation Help](https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1070688). If you encounter a non-recoverable major fault, it typically indicates a critical failure of the device. However, the list provided above serves as an excellent starting point for diagnosing the issue.
I previously encountered non-recoverable faults on my PLC, but simply cycling the power transformed these into recoverable faults. This method might extend the PLC's lifespan temporarily; however, if you’re experiencing faults every three hours, replacing the unit is likely the most effective solution. Additionally, the suggestions provided in this discussion can be beneficial in troubleshooting your issues.
Bullzi explained that KB 278692 addresses the Type 1 Code 60 fault. Essentially, your processor has identified a significant malfunction, resulting in the clearing of both the project and user memory. There are numerous potential causes for this issue. I'm fairly confident that a programming error is not responsible; it’s likely a hardware or power-related problem. Let’s examine the obvious possibilities: Have you experienced any power spikes? Is it possible to relocate the processor to another rack to determine if the issue persists with the processor? Do you have an extra power supply that you can swap out in the current rack to see if this resolves the problem? Please try these suggestions and observe any outcomes. As an update, no power spikes have been reported, and I don’t have access to another rack for testing. We replaced the power supply around 6 AM, so now we’ll wait to see if that makes a difference. Thank you for your insights!
Insert the SD card and patiently await the next error occurrence. This process will capture valuable data for analysis by our Tech Support team. While I can't recall the exact details, there's a possibility that it also logs information about previous errors. It's unlikely you’ll uncover much information without this data. Additionally, another module within the chassis could be contributing to the processor failure.
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