Siemens Micromaster 420 or MM420 Drive
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Jun 09, 2022 4:59 am
F0051 Parameter EEPROM fault fault in siemens micromaster 420 or MM420 drive - comes when read or write operation while saving parameters in the EEPROM was unsuccessful.
1 Reply
Jun 09, 2022 5:01 am
Cause - read or write operation while saving parameters in the EEPROM was unsuccessful
Diagnosis & Remedy
- reset to factory setting and then re-parameterize
- if required, change the drive
Factory reset and new parameterization.
