Siemens · SINAMICS G120
Safety-related parameters have been modified, requiring a power cycle for the changes to take effect and be properly stored. Operating without a power cycle could result in an inconsistent or unapplied safety state, compromising machine safety.
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1. Power off the entire drive system (main supply, not just control power) and wait for the power module discharge LEDs to extinguish.
2. Power on the drive system to allow the new safety parameterization to take full effect and be stored in non-volatile memory.
3. After power cycling, verify the status of the modified safety parameters to confirm they are active and correctly stored.
4. If the fault persists, re-enter the safety-related parameter changes and ensure a complete power cycle follows.
5. Perform a safety signature comparison (e.g., r9750, r9751) to confirm consistency after power-up.