Siemens Micromaster 420 or MM420 Drive
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Jul 01, 2024 9:10 am
Cause : CB Configuration Error comes when the inverter is unable to communicate properly with the device responsible for exchanging data with external systems like a PC or PLC.
A0710 alarm in Siemens Micromaster 420 indicating a communication error with the communication board (CB). This means the inverter is unable to establish communication with the module responsible for data exchange with external devices.
- Check CB Parameter.