Troubleshooting steps
medium
SINUMERIK 840D sl
Cycle execution failed
alarm
Catalog references
Utilities
Troubleshooting steps
medium
Other alarms
NC channel failed to initialize or is in error state
Channel failed to initialize during startup
Channel mode conflict or invalid mode
Emergency stop button pressed or safety circuit activated
Axis drive or motor detected a hardware fault condition
FAQ
What failed?
Check cycle diagnostics for failure reason.
Community
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