ABB · ACS850 Standard Program Firmware
This error typically occurs after a firmware upgrade when parameters are being re-instated. It indicates that the new firmware version includes parameters not present in the old parameter file, preventing proper configuration. The drive may not become operational without intervention.
Click steps to track your progress.
After a firmware upgrade, perform a factory reset of the drive (e.g., using Parameter P0-00) to ensure a clean parameter state.
Manually reconfigure essential parameters or use a parameter file specifically generated for the new firmware version.
If available, use a firmware upgrade tool that includes a parameter migration utility to convert old parameter files to the new format.
Connect to the drive with commissioning software and check for warnings or errors during parameter upload, specifically noting any incompatible parameter values.
Review the firmware release notes for any mandatory parameter changes or configuration requirements after upgrading.