Siemens alarm 25200: Axis %1 requested set of parameters invalid
SINUMERIK axis/spindle alarm · Siemens 840D/810D powerline
What it means
A request to activate another parameter set of the axis/drive (commonly tied to gear stage changes) referred to a set that does not exist or is not loaded completely. The switch is refused to prevent running with undefined dynamic data.
Likely causes
- target parameter set number never created or deleted
- PLC requests a set number outside the configured range
- set data incomplete after archive restore or drive firmware update
- request issued while the previous set change was still running
Need the part urgently?
Send us alarm 25200 with your machine details — typical RFQ turnaround is 24–48h.