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A01955 alarm in siemens S120 Drive

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(@click2electro)
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Cause : Synchronization DO not completed comes when the drive system is powered up, the synchronization between the basic clock cycle, DRIVE-CLiQ clock cycle and application clock cycle was started but was not completed within the selected time tolerance.

  • Carry out a POWER ON (power off/on) for all components of the DO.
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