cause : Internal software error comes when an internal software error has occurred in the power unit. When you encounter an "internal software error" on your Siemens SINAMICS G120 drive, it indicates that the drive's software has encountered an unexpected problem or malfunction.
- replace power unit.
- if required, upgrade the firmware in the power unit.
Here's how you can address this issue:
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Restart the Drive: Try restarting the drive to see if the error clears. Sometimes, a simple reboot can resolve temporary software glitches. Turn off the drive, wait for a few seconds, and then turn it back on.
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Check for Firmware Updates: Check if there are any firmware updates available for the drive. Siemens periodically releases updates to address software bugs, improve performance, and enhance functionality. Updating to the latest firmware version may resolve the internal software error.
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Perform a Factory Reset: If restarting the drive does not resolve the error, consider performing a factory reset. This will revert all settings and configurations to their default values. However, be sure to back up any important configurations or parameters before performing the reset.
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Inspect Drive Components: Inspect the physical components of the drive, such as cables, connectors, and circuit boards, for any signs of damage, wear, or corrosion. Faulty hardware components can sometimes cause software errors.
