Troubleshooting steps
Check 840D sl diagnostic screen verify system status review safety alarms configuration
Siemens CNC
22855 – Safety alarms alarm (840D sl)
Safety alarms detected. System is in safe state.
Details
Safety alarms detected. System is in safe state. Siemens 840D sl Safety alarms. Check system diagnostics and refer to 840D sl manual.
Error typealarm
MeaningSafety alarms alarm
Typical causesSystem fault configuration error hardware fault communication fault
SolutionsCheck 840D sl diagnostic screen verify system status review safety alarms configuration
Severitycritical
Catalog references
System Information
Siemens CNC22855
Utilities
Troubleshooting Steps
Other alarms
Other Siemens CNC Alarms
22050 – Channel not ready
Channel initialization error
25000 – Emergency stop active
Emergency stop button pressed
25050 – Axis hardware fault
Axis drive hardware error
21000 – NC alarms alarm (808D)
NC alarms detected. Check system status.
21002 – NC alarms alarm (808D)
NC alarms detected. Check system status.
FAQ
Common questions
What is 840D sl?
Siemens 840D sl is a CNC control platform. This alarm is specific to 840D sl systems.
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
Loading comments...