Siemens · SINAMICS V70 Drives
The system loading process crashes during startup, typically freezing at 40% on the HMI display.
Click steps to track your progress.
Power off and restart the control system to see if the fault is resolved.
Power off the control system and check whether the CF card is inserted correctly or has a faulty contact. Reinsert if necessary.
Power on again to check whether the fault is resolved after checking the CF card.
If the fault still exists after these operations, professional replacement and maintenance are necessary as the PPU is likely damaged.