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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 20-60 minutes
Siemens 25202 - Axis waiting for drive
SINUMERIK alarm 25202 TRACYL Error occurs when the cylindrical surface transformation function encounters invalid configuration parameters or constraint violations. This typically involves incorrect cylinder radius settings in MD24100, improper axis assignments in transformation machine data, or activation conflicts with other coordinate transformations.
Siemens 25202 - Axis waiting for drive
Axis waiting for drive
Drive group error (self-clearing) Control reaction: Interface signals are set. Alarm display.
Root Cause Summary
SINUMERIK alarm 25202 TRACYL Error occurs when the cylindrical surface transformation function encounters invalid configuration parameters or constraint violations. This typically involves incorrect cylinder radius settings in MD24100, improper axis assignments in transformation machine data, or activation conflicts with other coordinate transformations.
Safety
Causes and Fixes
Access Machine Data
Navigate to HMI → Commissioning → Machine → Machine Data → Channel-specific → Transformations and locate MD24100 TRACYL_RADIUS_CYLINDER.
Use filter function in machine data editor to quickly find TRACYL parameters
Verify Radius Value
Check that MD24100 contains a positive non-zero value matching your actual cylinder radius in machine units (mm or inches).
Incorrect radius values can cause collision or dimensional errors
Validate Range Limits
Ensure radius value is within system limits defined by MD24110 (TRACYL_RADIUS_LIMIT_LOWER) and MD24111 (TRACYL_RADIUS_LIMIT_UPPER).
Reset and Test
Execute machine data reset (RESET 840D) and test TRACYL activation with G331 command in MDI mode.
Call a technician if:
Prevention
Common Mistakes
Seeing Multiple Alarms?
Seeing another alarm with this one? Enter the code.
AxisMD logs alarms against your actual machines, tracks patterns, and gives AI context your manual doesn't have.
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