Troubleshooting steps
high
SINUMERIK 840D sl
40081 – System alarm 40081
System alarm 40081 detected
Details
alarm
Error typeSystem error
MeaningSystem configuration error hardware fault software error
Typical causesCheck system configuration verify hardware status restart system
Solutionshigh
Severity40000
Catalog references
System Information
SINUMERIK 840D sl40081
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
25050 – Axis hardware fault
Axis drive or motor detected a hardware fault condition
FAQ
Common questions
What is 40081?
System alarm 40081 indicates a system-level error. Check system diagnostics.
Community
Discussion & Experiences
Share your experience, solutions, or ask questions about this error code. Help others troubleshoot!
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