Troubleshooting steps
medium
SINUMERIK 840D sl
40030 – Network communication fault
Network communication error
Details
alarm
Error typeNetwork communication
MeaningNetwork cable fault network configuration error
Typical causesCheck network cable verify network configuration
Solutionsmedium
Catalog references
System Information
SINUMERIK 840D sl40030
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
Which network?
Check Ethernet or PROFINET connection
Community
Discussion & Experiences
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