Code dFPS: Drive Model Mismatch
Issue Description & Safety Warning
The Yaskawa A1000 AC Drive has triggered a critical Drive Model Mismatch alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Code type: Copy function display Manual section: Yaskawa A1000 Troubleshooting The drive from which the parameter were copied and the drive you are attempting to write to are not the same model. - The drive the parameters were copied from is a different model drive. - The drive you attempting to write to is a different model. Check the model number of the drive that the parameters were copied from and the model of the drive you are attempting to write those parameters to. Make sure the drive from which the parameter are copied and the drive to be written to have the same model numbers and software versions.
Source: Yaskawa AC Drive A1000 High Performance Vector Control Drive Technical Manual (SIEP C710616 21H)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Yaskawa A1000 AC Drive Alarms
Yaskawa controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code dFPS on the A1000 AC Drive identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Yaskawa's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 280 Yaskawa A1000 AC Drive codes.
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