Troubleshooting steps
high
SINUMERIK 840D sl
25050 – Axis hardware fault
Axis drive or motor detected a hardware fault condition
Details
alarm
Error typeAxis fault
MeaningDrive fault motor fault encoder fault wiring fault
Typical causesCheck axis drive status verify motor operation test encoder check wiring connections
Solutionshigh
Severity25051 25052
Catalog references
System Information
SINUMERIK 840D sl25050
Utilities
Troubleshooting Steps
Other alarms
Other SINUMERIK 840D sl Alarms
22050 – Channel not ready
NC channel failed to initialize or is in error state
22051 – Channel initialization error
Channel failed to initialize during startup
22052 – Channel mode error
Channel mode conflict or invalid mode
25000 – Emergency stop active
Emergency stop button pressed or safety circuit activated
25051 – Axis drive fault
Axis drive detected a fault condition
FAQ
Common questions
Which axis?
Alarm message indicates the affected axis. Check drive for that specific axis
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
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