Siemens Micromaster 420 or MM420 Drive
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Jun 09, 2022 5:02 am
F0052 Power stack fault in siemens micromaster 420 or MM420 drive - comes when reading of the power stack information has failed or the data is invalid.
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Jun 09, 2022 5:03 am
Cause - read error, power data or invalid power module data
Reading of the powerstack information has failed or the data is invalid.
This fault also comes when you change control card.
