Cause : Program running detected error comes when the drive is attempting to execute a program but encounters an error during the running process. This fault can be caused by corrupted program code, issues with the drive's memory, or conflicts in the drive's configuration.

"PGRF" Program running detected fault in Schneider ATV950 drive indicate "Program running detected error". This means there is an issue with the program that is currently running on the drive.

Follow These Steps to Correct a "PGRF Program Running Detected Fault":

1. Immediate Actions:

   • Stop Operation: If the drive is running, stop it immediately to prevent potential damage or unsafe conditions.
   • Reset Error: Attempt to reset the error using the drive’s control panel. This may clear temporary issues.

2. Verify Program Integrity:

   • Program Code: Ensure that the program code running on the drive is not corrupted. This can be done using diagnostic tools provided by Schneider Electric.
   • Reload Program: If you have a backup of the program, reload it to the drive to ensure that the code is correct and complete.

3. Check Drive Memory:

   • Memory Integrity: Ensure that the drive’s internal memory is not corrupted. Use diagnostic tools to check for memory errors or issues.
   • Available Memory: Verify that there is sufficient memory available for the program to run without issues.

4. Inspect Drive Configuration:

   • Parameter Settings: Verify that the drive’s parameter settings are correctly configured for your application. Incorrect settings can cause conflicts and errors.
   • Firmware Compatibility: Ensure that the firmware version is compatible with the program and configuration being used.

5. Inspect External Devices:

   • Communication Devices: Ensure that any external communication devices (e.g., HMIs, PLCs) connected to the drive are functioning correctly and not causing conflicts with the running program.
   • Connection Integrity: Check all connections between the drive and external devices to ensure they are secure and functioning properly.

6. Run Diagnostics:

   • Diagnostic Tools: Use Schneider Electric diagnostic tools or software to perform a thorough check of the drive’s systems, including the running program and memory status.
   • Error Logs: Check the drive’s error logs for additional details about the program running fault. This can help identify any patterns or recurring issues.