Troubleshooting steps
Check axis drive status verify motor operation test encoder check wiring connections
Siemens CNC
25050 – Axis hardware fault
Axis drive hardware error
Details
Axis drive or motor detected a hardware fault condition.
Error typealarm
MeaningAxis fault
Typical causesDrive fault motor fault encoder fault wiring fault
SolutionsCheck axis drive status verify motor operation test encoder check wiring connections
Severityhigh
Catalog references
System Information
Siemens CNC25050
Utilities
Troubleshooting Steps
Other alarms
Other Siemens CNC Alarms
22050 – Channel not ready
Channel initialization error
25000 – Emergency stop active
Emergency stop button pressed
21000 – NC alarms alarm (808D)
NC alarms detected. Check system status.
21002 – NC alarms alarm (808D)
NC alarms detected. Check system status.
21006 – NC alarms alarm (808D)
NC alarms detected. Check system status.
FAQ
Common questions
Which axis?
Alarm message indicates the affected axis. Check drive for that specific axis.