A30772
Test stop for fail-safe digital output running
Siemens · SINAMICS G120 Safety Functions
What does A30772 mean?
A forced checking procedure (test stop) for the fail-safe digital output is currently in progress. This is a normal safety test to verify the output's functionality and indicates that the system is performing a self-check.
Complete Troubleshooting Guide
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No immediate action required; the alarm will automatically disappear after the test stop successfully ends or is canceled.